127966100

素因数分解:

$2^2\times 5^2\times {\mathrm{1279661}}^1$

素因数の和:1279675

約数の個数: 18

約数和(自身を含む): 277686654

約数和(自身を除く): 149720554

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1279661, 2559322, 5118644, 6398305, 12796610, 25593220, 31991525, 63983050, 127966100]

約数ペア:

[(1, 127966100), (2, 63983050), (4, 31991525), (5, 25593220), (10, 12796610), (20, 6398305), (25, 5118644), (50, 2559322), (100, 1279661)]