12751780

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2269}}^1$

素因数の和:2559

約数の個数: 24

約数和(自身を含む): 26885880

約数和(自身を除く): 14134100

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2269, 2810, 4538, 5620, 9076, 11345, 22690, 45380, 637589, 1275178, 2550356, 3187945, 6375890, 12751780]

約数ペア:

[(1, 12751780), (2, 6375890), (4, 3187945), (5, 2550356), (10, 1275178), (20, 637589), (281, 45380), (562, 22690), (1124, 11345), (1405, 9076), (2269, 5620), (2810, 4538)]