12757780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{91127}}^1$

素因数の和:91143

約数の個数: 24

約数和(自身を含む): 30619008

約数和(自身を除く): 17861228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 91127, 182254, 364508, 455635, 637889, 911270, 1275778, 1822540, 2551556, 3189445, 6378890, 12757780]

約数ペア:

[(1, 12757780), (2, 6378890), (4, 3189445), (5, 2551556), (7, 1822540), (10, 1275778), (14, 911270), (20, 637889), (28, 455635), (35, 364508), (70, 182254), (140, 91127)]