The Collaborative International Dictionary of English v.0.48:
Dividable \Di*vid"a*ble\, a. [From Divide.] 1. Capable of being divided; divisible. [1913 Webster] 2. Divided; separated; parted. [Obs.] --Shak. [1913 Webster]WordNet (r) 3.0 (2006):
dividable adj 1: can be divided usually without leaving a remainder; "15 is dividable by 3"