Bethenny Frankel -- I Want Child Support From My Ex!

Bethenny Frankel means business, even in divorce. She wants Jason to pay child support and a lot more ... TMZ has learned.

TMZ broke the story ... Bethenny filed for divorce last week against Jason Hoppy. Now we've learned ... Bethenny -- who is reportedly worth between $25 million and $55 million -- has filed legal docs asking for the following from Jason:

--- Child support ... retroactive from the date she filed for divorce
-- Medical, dental, optical, therapeutic, and orthodontic expenses for HER and her child
-- Life insurance that makes both her and the kid beneficiaries

She also wants Jason -- who made lots of money in real estate -- out of their marital residence for good. Bethenny is asking for exclusive occupancy.

And there's more ... Bethenny wants primary physical custody of 2-year-old Bryn.

Bethenny also wants the judge to enforce their prenup dated March 23, 2010 ... signed 5 days before they got hitched.

A source connected with Bethenny tells TMZ ... "This is a preliminary step to move the process forward. She wants to work this out privately and amicably. All Bethenny cares about is that it works out the best way possible for Bryn."