Q: What is the sum of all factors of the number 2,557,420 including 2,557,420?
A: 5,449,248
The factors of the number 2,557,420 are: 1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1801, 3602, 7204, 9005, 18010, 36020, 127871, 255742, 511484, 639355, 1278710, 2557420.
If you add them up, you will get the total of 5,449,248.