Q: What is the sum of all factors of the number 520,420 excluding 520,420?
A: 572,504
The factors of the number 520,420 are: 1, 2, 4, 5, 10, 20, 26021, 52042, 104084, 130105, 260210, 520420.
If you add them up, you will get the total of 520,992. Now subtract 520,420 to get 572,504