8241640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18731}}^1$

素因数の和:18753

約数の個数: 32

約数和(自身を含む): 20230560

約数和(自身を除く): 11988920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 18731, 37462, 74924, 93655, 149848, 187310, 206041, 374620, 412082, 749240, 824164, 1030205, 1648328, 2060410, 4120820, 8241640]

約数ペア:

[(1, 8241640), (2, 4120820), (4, 2060410), (5, 1648328), (8, 1030205), (10, 824164), (11, 749240), (20, 412082), (22, 374620), (40, 206041), (44, 187310), (55, 149848), (88, 93655), (110, 74924), (220, 37462), (440, 18731)]