Q: What is the sum of all factors of the number 64,420 including 64,420?
A: 135,324
The factors of the number 64,420 are: 1, 2, 4, 5, 10, 20, 3221, 6442, 12884, 16105, 32210, 64420.
If you add them up, you will get the total of 135,324.