Q: What is the sum of all factors of the number 1,600 including 1,600?
A: 3,937
The factors of the number 1,600 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600.
If you add them up, you will get the total of 3,937.