Q: What is the sum of all factors of the number 81,290 excluding 81,290?
A: 78,550
The factors of the number 81,290 are: 1, 2, 5, 10, 11, 22, 55, 110, 739, 1478, 3695, 7390, 8129, 16258, 40645, 81290.
If you add them up, you will get the total of 81,368. Now subtract 81,290 to get 78,550