72393640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{164531}}^1$

素因数の和:164553

約数の個数: 32

約数和(自身を含む): 177694560

約数和(自身を除く): 105300920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 164531, 329062, 658124, 822655, 1316248, 1645310, 1809841, 3290620, 3619682, 6581240, 7239364, 9049205, 14478728, 18098410, 36196820, 72393640]

約数ペア:

[(1, 72393640), (2, 36196820), (4, 18098410), (5, 14478728), (8, 9049205), (10, 7239364), (11, 6581240), (20, 3619682), (22, 3290620), (40, 1809841), (44, 1645310), (55, 1316248), (88, 822655), (110, 658124), (220, 329062), (440, 164531)]