dividing into five parts
「五分」 has other readings with different meanings.
half; 50%
five minutes
ケーキを五分に切り分けた。
I divided the cake into five parts.
土地を五分して分配した。
The land was divided into five parts and distributed.
予算を五分にして各部署に割り当てた。
We split the budget into five portions and allocated them to each department.