Q: What is the sum of all factors of the number 81,965 excluding 81,965?
A: 25,639
The factors of the number 81,965 are: 1, 5, 13, 65, 97, 169, 485, 845, 1261, 6305, 16393, 81965.
If you add them up, you will get the total of 81,990. Now subtract 81,965 to get 25,639