99721940

素因数分解:

$2^2\times 5^1\times {\mathrm{4986097}}^1$

素因数の和:4986106

約数の個数: 12

約数和(自身を含む): 209416116

約数和(自身を除く): 109694176

約数列:

[1, 2, 4, 5, 10, 20, 4986097, 9972194, 19944388, 24930485, 49860970, 99721940]

約数ペア:

[(1, 99721940), (2, 49860970), (4, 24930485), (5, 19944388), (10, 9972194), (20, 4986097)]