90612400

素因数分解:

$2^4\times 5^2\times {\mathrm{226531}}^1$

素因数の和:226549

約数の個数: 30

約数和(自身を含む): 217697252

約数和(自身を除く): 127084852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 226531, 453062, 906124, 1132655, 1812248, 2265310, 3624496, 4530620, 5663275, 9061240, 11326550, 18122480, 22653100, 45306200, 90612400]

約数ペア:

[(1, 90612400), (2, 45306200), (4, 22653100), (5, 18122480), (8, 11326550), (10, 9061240), (16, 5663275), (20, 4530620), (25, 3624496), (40, 2265310), (50, 1812248), (80, 1132655), (100, 906124), (200, 453062), (400, 226531)]