42071920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47809}}^1$

素因数の和:47833

約数の個数: 40

約数和(自身を含む): 106711920

約数和(自身を除く): 64640000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 47809, 95618, 191236, 239045, 382472, 478090, 525899, 764944, 956180, 1051798, 1912360, 2103596, 2629495, 3824720, 4207192, 5258990, 8414384, 10517980, 21035960, 42071920]

約数ペア:

[(1, 42071920), (2, 21035960), (4, 10517980), (5, 8414384), (8, 5258990), (10, 4207192), (11, 3824720), (16, 2629495), (20, 2103596), (22, 1912360), (40, 1051798), (44, 956180), (55, 764944), (80, 525899), (88, 478090), (110, 382472), (176, 239045), (220, 191236), (440, 95618), (880, 47809)]