4955477620

素因数分解:

$2^2\times 5^1\times {\mathrm{247773881}}^1$

素因数の和:247773890

約数の個数: 12

約数和(自身を含む): 10406503044

約数和(自身を除く): 5451025424

約数列:

[1, 2, 4, 5, 10, 20, 247773881, 495547762, 991095524, 1238869405, 2477738810, 4955477620]

約数ペア:

[(1, 4955477620), (2, 2477738810), (4, 1238869405), (5, 991095524), (10, 495547762), (20, 247773881)]