22139240

素因数分解:

$2^3\times 5^1\times {\mathrm{553481}}^1$

素因数の和:553492

約数の個数: 16

約数和(自身を含む): 49813380

約数和(自身を除く): 27674140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 553481, 1106962, 2213924, 2767405, 4427848, 5534810, 11069620, 22139240]

約数ペア:

[(1, 22139240), (2, 11069620), (4, 5534810), (5, 4427848), (8, 2767405), (10, 2213924), (20, 1106962), (40, 553481)]