75399920

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{17783}}^1$

素因数の和:17849

約数の個数: 40

約数和(自身を含む): 178622496

約数和(自身を除く): 103222576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 17783, 35566, 71132, 88915, 142264, 177830, 284528, 355660, 711320, 942499, 1422640, 1884998, 3769996, 4712495, 7539992, 9424990, 15079984, 18849980, 37699960, 75399920]

約数ペア:

[(1, 75399920), (2, 37699960), (4, 18849980), (5, 15079984), (8, 9424990), (10, 7539992), (16, 4712495), (20, 3769996), (40, 1884998), (53, 1422640), (80, 942499), (106, 711320), (212, 355660), (265, 284528), (424, 177830), (530, 142264), (848, 88915), (1060, 71132), (2120, 35566), (4240, 17783)]