Q: What is the sum of all factors of the number 78,820 including 78,820?
A: 189,504
The factors of the number 78,820 are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 563, 1126, 2252, 2815, 3941, 5630, 7882, 11260, 15764, 19705, 39410, 78820.
If you add them up, you will get the total of 189,504.