57531220

素因数分解:

$2^2\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{1999}}^1$

素因数の和:3447

約数の個数: 24

約数和(自身を含む): 120960000

約数和(自身を除く): 63428780

約数列:

[1, 2, 4, 5, 10, 20, 1439, 1999, 2878, 3998, 5756, 7195, 7996, 9995, 14390, 19990, 28780, 39980, 2876561, 5753122, 11506244, 14382805, 28765610, 57531220]

約数ペア:

[(1, 57531220), (2, 28765610), (4, 14382805), (5, 11506244), (10, 5753122), (20, 2876561), (1439, 39980), (1999, 28780), (2878, 19990), (3998, 14390), (5756, 9995), (7195, 7996)]