Q: What is the sum of all factors of the number 639,860 including 639,860?
A: 1,524,096
The factors of the number 639,860 are: 1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 107, 115, 130, 214, 230, 260, 299, 428, 460, 535, 598, 1070, 1196, 1391, 1495, 2140, 2461, 2782, 2990, 4922, 5564, 5980, 6955, 9844, 12305, 13910, 24610, 27820, 31993, 49220, 63986, 127972, 159965, 319930, 639860.
If you add them up, you will get the total of 1,524,096.