99917420

素因数分解:

$2^2\times 5^1\times {\mathrm{4995871}}^1$

素因数の和:4995880

約数の個数: 12

約数和(自身を含む): 209826624

約数和(自身を除く): 109909204

約数列:

[1, 2, 4, 5, 10, 20, 4995871, 9991742, 19983484, 24979355, 49958710, 99917420]

約数ペア:

[(1, 99917420), (2, 49958710), (4, 24979355), (5, 19983484), (10, 9991742), (20, 4995871)]