4155880

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{971}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 9447840

約数和(自身を除く): 5291960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 971, 1070, 1942, 2140, 3884, 4280, 4855, 7768, 9710, 19420, 38840, 103897, 207794, 415588, 519485, 831176, 1038970, 2077940, 4155880]

約数ペア:

[(1, 4155880), (2, 2077940), (4, 1038970), (5, 831176), (8, 519485), (10, 415588), (20, 207794), (40, 103897), (107, 38840), (214, 19420), (428, 9710), (535, 7768), (856, 4855), (971, 4280), (1070, 3884), (1942, 2140)]