1635396080

素因数分解:

$2^4\times 5^1\times {\mathrm{20442451}}^1$

素因数の和:20442464

約数の個数: 20

約数和(自身を含む): 3802296072

約数和(自身を除く): 2166899992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20442451, 40884902, 81769804, 102212255, 163539608, 204424510, 327079216, 408849020, 817698040, 1635396080]

約数ペア:

[(1, 1635396080), (2, 817698040), (4, 408849020), (5, 327079216), (8, 204424510), (10, 163539608), (16, 102212255), (20, 81769804), (40, 40884902), (80, 20442451)]