Q: What is the sum of all factors of the number 2,171,980 including 2,171,980?
A: 4,601,520
The factors of the number 2,171,980 are: 1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 829, 1310, 1658, 2620, 3316, 4145, 8290, 16580, 108599, 217198, 434396, 542995, 1085990, 2171980.
If you add them up, you will get the total of 4,601,520.