90560180

素因数分解:

$2^2\times 5^1\times {\mathrm{4528009}}^1$

素因数の和:4528018

約数の個数: 12

約数和(自身を含む): 190176420

約数和(自身を除く): 99616240

約数列:

[1, 2, 4, 5, 10, 20, 4528009, 9056018, 18112036, 22640045, 45280090, 90560180]

約数ペア:

[(1, 90560180), (2, 45280090), (4, 22640045), (5, 18112036), (10, 9056018), (20, 4528009)]