82447958020

素因数分解:

$2^2\times 5^1\times {\mathrm{4122397901}}^1$

素因数の和:4122397910

約数の個数: 12

約数和(自身を含む): 173140711884

約数和(自身を除く): 90692753864

約数列:

[1, 2, 4, 5, 10, 20, 4122397901, 8244795802, 16489591604, 20611989505, 41223979010, 82447958020]

約数ペア:

[(1, 82447958020), (2, 41223979010), (4, 20611989505), (5, 16489591604), (10, 8244795802), (20, 4122397901)]