Q: What is the sum of all factors of the number 521,320 excluding 521,320?
A: 651,740
The factors of the number 521,320 are: 1, 2, 4, 5, 8, 10, 20, 40, 13033, 26066, 52132, 65165, 104264, 130330, 260660, 521320.
If you add them up, you will get the total of 521,971. Now subtract 521,320 to get 651,740