127476920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{30941}}^1$

素因数の和:31055

約数の個数: 32

約数和(自身を含む): 289617120

約数和(自身を除く): 162140200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 30941, 61882, 123764, 154705, 247528, 309410, 618820, 1237640, 3186923, 6373846, 12747692, 15934615, 25495384, 31869230, 63738460, 127476920]

約数ペア:

[(1, 127476920), (2, 63738460), (4, 31869230), (5, 25495384), (8, 15934615), (10, 12747692), (20, 6373846), (40, 3186923), (103, 1237640), (206, 618820), (412, 309410), (515, 247528), (824, 154705), (1030, 123764), (2060, 61882), (4120, 30941)]