22405640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4957}}^1$

素因数の和:5081

約数の個数: 32

約数和(自身を含む): 50869080

約数和(自身を除く): 28463440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 4957, 9914, 19828, 24785, 39656, 49570, 99140, 198280, 560141, 1120282, 2240564, 2800705, 4481128, 5601410, 11202820, 22405640]

約数ペア:

[(1, 22405640), (2, 11202820), (4, 5601410), (5, 4481128), (8, 2800705), (10, 2240564), (20, 1120282), (40, 560141), (113, 198280), (226, 99140), (452, 49570), (565, 39656), (904, 24785), (1130, 19828), (2260, 9914), (4520, 4957)]