Q: What is the sum of all factors of the number 129,820 excluding 129,820?
A: 142,844
The factors of the number 129,820 are: 1, 2, 4, 5, 10, 20, 6491, 12982, 25964, 32455, 64910, 129820.
If you add them up, you will get the total of 129,962. Now subtract 129,820 to get 142,844