Q: What is the sum of all factors of the number 100,840 excluding 100,840?
A: 126,140
The factors of the number 100,840 are: 1, 2, 4, 5, 8, 10, 20, 40, 2521, 5042, 10084, 12605, 20168, 25210, 50420, 100840.
If you add them up, you will get the total of 100,966. Now subtract 100,840 to get 126,140