Q: What is the sum of all factors of the number 521,420 including 521,420?
A: 1,170,624
The factors of the number 521,420 are: 1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 841, 899, 1682, 1798, 3364, 3596, 4205, 4495, 8410, 8990, 16820, 17980, 26071, 52142, 104284, 130355, 260710, 521420.
If you add them up, you will get the total of 1,170,624.