52580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 120960

約数和(自身を除く): 68380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 478, 956, 1195, 2390, 2629, 4780, 5258, 10516, 13145, 26290, 52580]

約数ペア:

[(1, 52580), (2, 26290), (4, 13145), (5, 10516), (10, 5258), (11, 4780), (20, 2629), (22, 2390), (44, 1195), (55, 956), (110, 478), (220, 239)]