Q: What is the sum of all factors of the number 205,440 including 205,440?

A: 660,960

Why is 660,960 the sum of all factors of 205,440, including 205,440?

The factors of the number 205,440 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 107, 120, 128, 160, 192, 214, 240, 320, 321, 384, 428, 480, 535, 640, 642, 856, 960, 1070, 1284, 1605, 1712, 1920, 2140, 2568, 3210, 3424, 4280, 5136, 6420, 6848, 8560, 10272, 12840, 13696, 17120, 20544, 25680, 34240, 41088, 51360, 68480, 102720, 205440.

If you add them up, you will get the total of 660,960.