201991320010

素因数分解:

$2^1\times 5^1\times {\mathrm{20199132001}}^1$

素因数の和:20199132008

約数の個数: 8

約数和(自身を含む): 363584376036

約数和(自身を除く): 161593056026

約数列:

[1, 2, 5, 10, 20199132001, 40398264002, 100995660005, 201991320010]

約数ペア:

[(1, 201991320010), (2, 100995660005), (5, 40398264002), (10, 20199132001)]