42756920

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2339}}^1$

素因数の和:2807

約数の個数: 32

約数和(自身を含む): 96454800

約数和(自身を除く): 53697880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 2339, 3656, 4570, 4678, 9140, 9356, 11695, 18280, 18712, 23390, 46780, 93560, 1068923, 2137846, 4275692, 5344615, 8551384, 10689230, 21378460, 42756920]

約数ペア:

[(1, 42756920), (2, 21378460), (4, 10689230), (5, 8551384), (8, 5344615), (10, 4275692), (20, 2137846), (40, 1068923), (457, 93560), (914, 46780), (1828, 23390), (2285, 18712), (2339, 18280), (3656, 11695), (4570, 9356), (4678, 9140)]