57640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1$

素因数の和:153

約数の個数: 32

約数和(自身を含む): 142560

約数和(自身を除く): 84920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 131, 220, 262, 440, 524, 655, 1048, 1310, 1441, 2620, 2882, 5240, 5764, 7205, 11528, 14410, 28820, 57640]

約数ペア:

[(1, 57640), (2, 28820), (4, 14410), (5, 11528), (8, 7205), (10, 5764), (11, 5240), (20, 2882), (22, 2620), (40, 1441), (44, 1310), (55, 1048), (88, 655), (110, 524), (131, 440), (220, 262)]