2131580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9689}}^1$

素因数の和:9709

約数の個数: 24

約数和(自身を含む): 4883760

約数和(自身を除く): 2752180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9689, 19378, 38756, 48445, 96890, 106579, 193780, 213158, 426316, 532895, 1065790, 2131580]

約数ペア:

[(1, 2131580), (2, 1065790), (4, 532895), (5, 426316), (10, 213158), (11, 193780), (20, 106579), (22, 96890), (44, 48445), (55, 38756), (110, 19378), (220, 9689)]