Q: What is the sum of all factors of the number 40,420 including 40,420?
A: 88,704
The factors of the number 40,420 are: 1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 860, 940, 2021, 4042, 8084, 10105, 20210, 40420.
If you add them up, you will get the total of 88,704.