12903020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49627}}^1$

素因数の和:49649

約数の個数: 24

約数和(自身を含む): 29181264

約数和(自身を除く): 16278244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 49627, 99254, 198508, 248135, 496270, 645151, 992540, 1290302, 2580604, 3225755, 6451510, 12903020]

約数ペア:

[(1, 12903020), (2, 6451510), (4, 3225755), (5, 2580604), (10, 1290302), (13, 992540), (20, 645151), (26, 496270), (52, 248135), (65, 198508), (130, 99254), (260, 49627)]