Q: What is the sum of all factors of the number 65,420 excluding 65,420?
A: 72,004
The factors of the number 65,420 are: 1, 2, 4, 5, 10, 20, 3271, 6542, 13084, 16355, 32710, 65420.
If you add them up, you will get the total of 65,492. Now subtract 65,420 to get 72,004