74464820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{86587}}^1$

素因数の和:86639

約数の個数: 24

約数和(自身を含む): 160014624

約数和(自身を除く): 85549804

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 86587, 173174, 346348, 432935, 865870, 1731740, 3723241, 7446482, 14892964, 18616205, 37232410, 74464820]

約数ペア:

[(1, 74464820), (2, 37232410), (4, 18616205), (5, 14892964), (10, 7446482), (20, 3723241), (43, 1731740), (86, 865870), (172, 432935), (215, 346348), (430, 173174), (860, 86587)]