82220080

素因数分解:

$2^4\times 5^1\times {\mathrm{1027751}}^1$

素因数の和:1027764

約数の個数: 20

約数和(自身を含む): 191161872

約数和(自身を除く): 108941792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1027751, 2055502, 4111004, 5138755, 8222008, 10277510, 16444016, 20555020, 41110040, 82220080]

約数ペア:

[(1, 82220080), (2, 41110040), (4, 20555020), (5, 16444016), (8, 10277510), (10, 8222008), (16, 5138755), (20, 4111004), (40, 2055502), (80, 1027751)]