220124980

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{67523}}^1$

素因数の和:67695

約数の個数: 24

約数和(自身を含む): 465105312

約数和(自身を除く): 244980332

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 67523, 135046, 270092, 337615, 675230, 1350460, 11006249, 22012498, 44024996, 55031245, 110062490, 220124980]

約数ペア:

[(1, 220124980), (2, 110062490), (4, 55031245), (5, 44024996), (10, 22012498), (20, 11006249), (163, 1350460), (326, 675230), (652, 337615), (815, 270092), (1630, 135046), (3260, 67523)]