Q: What is the sum of all factors of the number 121,420 including 121,420?
A: 275,184
The factors of the number 121,420 are: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 467, 934, 1868, 2335, 4670, 6071, 9340, 12142, 24284, 30355, 60710, 121420.
If you add them up, you will get the total of 275,184.