99636080

素因数分解:

$2^4\times 5^1\times {\mathrm{1245451}}^1$

素因数の和:1245464

約数の個数: 20

約数和(自身を含む): 231654072

約数和(自身を除く): 132017992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1245451, 2490902, 4981804, 6227255, 9963608, 12454510, 19927216, 24909020, 49818040, 99636080]

約数ペア:

[(1, 99636080), (2, 49818040), (4, 24909020), (5, 19927216), (8, 12454510), (10, 9963608), (16, 6227255), (20, 4981804), (40, 2490902), (80, 1245451)]