9451640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21481}}^1$

素因数の和:21503

約数の個数: 32

約数和(自身を含む): 23200560

約数和(自身を除く): 13748920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 21481, 42962, 85924, 107405, 171848, 214810, 236291, 429620, 472582, 859240, 945164, 1181455, 1890328, 2362910, 4725820, 9451640]

約数ペア:

[(1, 9451640), (2, 4725820), (4, 2362910), (5, 1890328), (8, 1181455), (10, 945164), (11, 859240), (20, 472582), (22, 429620), (40, 236291), (44, 214810), (55, 171848), (88, 107405), (110, 85924), (220, 42962), (440, 21481)]