90661240

素因数分解:

$2^3\times 5^1\times {\mathrm{2266531}}^1$

素因数の和:2266542

約数の個数: 16

約数和(自身を含む): 203987880

約数和(自身を除く): 113326640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2266531, 4533062, 9066124, 11332655, 18132248, 22665310, 45330620, 90661240]

約数ペア:

[(1, 90661240), (2, 45330620), (4, 22665310), (5, 18132248), (8, 11332655), (10, 9066124), (20, 4533062), (40, 2266531)]