54975640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22531}}^1$

素因数の和:22603

約数の個数: 32

約数和(自身を含む): 125728560

約数和(自身を除く): 70752920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 22531, 45062, 90124, 112655, 180248, 225310, 450620, 901240, 1374391, 2748782, 5497564, 6871955, 10995128, 13743910, 27487820, 54975640]

約数ペア:

[(1, 54975640), (2, 27487820), (4, 13743910), (5, 10995128), (8, 6871955), (10, 5497564), (20, 2748782), (40, 1374391), (61, 901240), (122, 450620), (244, 225310), (305, 180248), (488, 112655), (610, 90124), (1220, 45062), (2440, 22531)]