Q: What is the sum of all factors of the number 128,180 excluding 128,180?

A: 189,340

Why is 189,340 the sum of all factors of 128,180, excluding 128,180?

The factors of the number 128,180 are: 1, 2, 4, 5, 10, 13, 17, 20, 26, 29, 34, 52, 58, 65, 68, 85, 116, 130, 145, 170, 221, 260, 290, 340, 377, 442, 493, 580, 754, 884, 986, 1105, 1508, 1885, 1972, 2210, 2465, 3770, 4420, 4930, 6409, 7540, 9860, 12818, 25636, 32045, 64090, 128180.

If you add them up, you will get the total of 128,369. Now subtract 128,180 to get 189,340