7572220

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1571}}^1$

素因数の和:1821

約数の個数: 24

約数和(自身を含む): 15977808

約数和(自身を除く): 8405588

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 1571, 2410, 3142, 4820, 6284, 7855, 15710, 31420, 378611, 757222, 1514444, 1893055, 3786110, 7572220]

約数ペア:

[(1, 7572220), (2, 3786110), (4, 1893055), (5, 1514444), (10, 757222), (20, 378611), (241, 31420), (482, 15710), (964, 7855), (1205, 6284), (1571, 4820), (2410, 3142)]