Q: What is the sum of all factors of the number 53,840 excluding 53,840?
A: 71,524
The factors of the number 53,840 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 673, 1346, 2692, 3365, 5384, 6730, 10768, 13460, 26920, 53840.
If you add them up, you will get the total of 53,911. Now subtract 53,840 to get 71,524