Question

What are two possible factors for the product of 1600

Answer 1

2 and 800 are 1 possible factor and 5 and 320 is another.

Answer 2

There are many factors for 1600.
Here are all the ones I could find:
2 and 800
4, 400
5, 320
8, 200
10, 160
16, 100
20, 80
25, 64
40, 40