80708560

素因数分解:

$2^4\times 5^1\times {\mathrm{1008857}}^1$

素因数の和:1008870

約数の個数: 20

約数和(自身を含む): 187647588

約数和(自身を除く): 106939028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1008857, 2017714, 4035428, 5044285, 8070856, 10088570, 16141712, 20177140, 40354280, 80708560]

約数ペア:

[(1, 80708560), (2, 40354280), (4, 20177140), (5, 16141712), (8, 10088570), (10, 8070856), (16, 5044285), (20, 4035428), (40, 2017714), (80, 1008857)]