Q: What is the sum of all factors of the number 68,720 excluding 68,720?
A: 91,240
The factors of the number 68,720 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 859, 1718, 3436, 4295, 6872, 8590, 13744, 17180, 34360, 68720.
If you add them up, you will get the total of 68,811. Now subtract 68,720 to get 91,240