85516400

素因数分解:

$2^4\times 5^2\times {\mathrm{213791}}^1$

素因数の和:213809

約数の個数: 30

約数和(自身を含む): 205454112

約数和(自身を除く): 119937712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 213791, 427582, 855164, 1068955, 1710328, 2137910, 3420656, 4275820, 5344775, 8551640, 10689550, 17103280, 21379100, 42758200, 85516400]

約数ペア:

[(1, 85516400), (2, 42758200), (4, 21379100), (5, 17103280), (8, 10689550), (10, 8551640), (16, 5344775), (20, 4275820), (25, 3420656), (40, 2137910), (50, 1710328), (80, 1068955), (100, 855164), (200, 427582), (400, 213791)]