Q: What is the sum of all factors of the number 520,040 excluding 520,040?
A: 650,140
The factors of the number 520,040 are: 1, 2, 4, 5, 8, 10, 20, 40, 13001, 26002, 52004, 65005, 104008, 130010, 260020, 520040.
If you add them up, you will get the total of 520,690. Now subtract 520,040 to get 650,140