Q: What is the sum of all factors of the number 80,642 excluding 80,642?
A: 42,490
The factors of the number 80,642 are: 1, 2, 61, 122, 661, 1322, 40321, 80642.
If you add them up, you will get the total of 80,684. Now subtract 80,642 to get 42,490