51108560

素因数分解:

$2^4\times 5^1\times {\mathrm{638857}}^1$

素因数の和:638870

約数の個数: 20

約数和(自身を含む): 118827588

約数和(自身を除く): 67719028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 638857, 1277714, 2555428, 3194285, 5110856, 6388570, 10221712, 12777140, 25554280, 51108560]

約数ペア:

[(1, 51108560), (2, 25554280), (4, 12777140), (5, 10221712), (8, 6388570), (10, 5110856), (16, 3194285), (20, 2555428), (40, 1277714), (80, 638857)]