Q: What is the sum of all factors of the number 86,420 including 86,420?
A: 189,000
The factors of the number 86,420 are: 1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 1490, 2980, 4321, 8642, 17284, 21605, 43210, 86420.
If you add them up, you will get the total of 189,000.