Q: What is the sum of all factors of the number 12,680 excluding 12,680?
A: 15,940
The factors of the number 12,680 are: 1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 12680.
If you add them up, you will get the total of 12,695. Now subtract 12,680 to get 15,940