90580400

素因数分解:

$2^4\times 5^2\times {\mathrm{226451}}^1$

素因数の和:226469

約数の個数: 30

約数和(自身を含む): 217620372

約数和(自身を除く): 127039972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 226451, 452902, 905804, 1132255, 1811608, 2264510, 3623216, 4529020, 5661275, 9058040, 11322550, 18116080, 22645100, 45290200, 90580400]

約数ペア:

[(1, 90580400), (2, 45290200), (4, 22645100), (5, 18116080), (8, 11322550), (10, 9058040), (16, 5661275), (20, 4529020), (25, 3623216), (40, 2264510), (50, 1811608), (80, 1132255), (100, 905804), (200, 452902), (400, 226451)]