Q: What is the sum of all factors of the number 3,160 excluding 3,160?
A: 4,040
The factors of the number 3,160 are: 1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160.
If you add them up, you will get the total of 3,164. Now subtract 3,160 to get 4,040