82620080

素因数分解:

$2^4\times 5^1\times {\mathrm{1032751}}^1$

素因数の和:1032764

約数の個数: 20

約数和(自身を含む): 192091872

約数和(自身を除く): 109471792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1032751, 2065502, 4131004, 5163755, 8262008, 10327510, 16524016, 20655020, 41310040, 82620080]

約数ペア:

[(1, 82620080), (2, 41310040), (4, 20655020), (5, 16524016), (8, 10327510), (10, 8262008), (16, 5163755), (20, 4131004), (40, 2065502), (80, 1032751)]