80580400

素因数分解:

$2^4\times 5^2\times {\mathrm{201451}}^1$

素因数の和:201469

約数の個数: 30

約数和(自身を含む): 193595372

約数和(自身を除く): 113014972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 201451, 402902, 805804, 1007255, 1611608, 2014510, 3223216, 4029020, 5036275, 8058040, 10072550, 16116080, 20145100, 40290200, 80580400]

約数ペア:

[(1, 80580400), (2, 40290200), (4, 20145100), (5, 16116080), (8, 10072550), (10, 8058040), (16, 5036275), (20, 4029020), (25, 3223216), (40, 2014510), (50, 1611608), (80, 1007255), (100, 805804), (200, 402902), (400, 201451)]