9964820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11587}}^1$

素因数の和:11639

約数の個数: 24

約数和(自身を含む): 21414624

約数和(自身を除く): 11449804

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 11587, 23174, 46348, 57935, 115870, 231740, 498241, 996482, 1992964, 2491205, 4982410, 9964820]

約数ペア:

[(1, 9964820), (2, 4982410), (4, 2491205), (5, 1992964), (10, 996482), (20, 498241), (43, 231740), (86, 115870), (172, 57935), (215, 46348), (430, 23174), (860, 11587)]