4375580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19889}}^1$

素因数の和:19909

約数の個数: 24

約数和(自身を含む): 10024560

約数和(自身を除く): 5648980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 19889, 39778, 79556, 99445, 198890, 218779, 397780, 437558, 875116, 1093895, 2187790, 4375580]

約数ペア:

[(1, 4375580), (2, 2187790), (4, 1093895), (5, 875116), (10, 437558), (11, 397780), (20, 218779), (22, 198890), (44, 99445), (55, 79556), (110, 39778), (220, 19889)]