88638020

素因数分解:

$2^2\times 5^1\times {\mathrm{4431901}}^1$

素因数の和:4431910

約数の個数: 12

約数和(自身を含む): 186139884

約数和(自身を除く): 97501864

約数列:

[1, 2, 4, 5, 10, 20, 4431901, 8863802, 17727604, 22159505, 44319010, 88638020]

約数ペア:

[(1, 88638020), (2, 44319010), (4, 22159505), (5, 17727604), (10, 8863802), (20, 4431901)]