13338140

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2657}}^1$

素因数の和:2917

約数の個数: 24

約数和(自身を含む): 28132272

約数和(自身を除く): 14794132

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 2657, 5020, 5314, 10628, 13285, 26570, 53140, 666907, 1333814, 2667628, 3334535, 6669070, 13338140]

約数ペア:

[(1, 13338140), (2, 6669070), (4, 3334535), (5, 2667628), (10, 1333814), (20, 666907), (251, 53140), (502, 26570), (1004, 13285), (1255, 10628), (2510, 5314), (2657, 5020)]