Q: What is the sum of all factors of the number 10,400 excluding 10,400?
A: 16,942
The factors of the number 10,400 are: 1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400.
If you add them up, you will get the total of 10,416. Now subtract 10,400 to get 16,942