70719640

素因数分解:

$2^3\times 5^1\times {\mathrm{857}}^1\times {\mathrm{2063}}^1$

素因数の和:2931

約数の個数: 32

約数和(自身を含む): 159382080

約数和(自身を除く): 88662440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 857, 1714, 2063, 3428, 4126, 4285, 6856, 8252, 8570, 10315, 16504, 17140, 20630, 34280, 41260, 82520, 1767991, 3535982, 7071964, 8839955, 14143928, 17679910, 35359820, 70719640]

約数ペア:

[(1, 70719640), (2, 35359820), (4, 17679910), (5, 14143928), (8, 8839955), (10, 7071964), (20, 3535982), (40, 1767991), (857, 82520), (1714, 41260), (2063, 34280), (3428, 20630), (4126, 17140), (4285, 16504), (6856, 10315), (8252, 8570)]