64627780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{461627}}^1$

素因数の和:461643

約数の個数: 24

約数和(自身を含む): 155107008

約数和(自身を除く): 90479228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 461627, 923254, 1846508, 2308135, 3231389, 4616270, 6462778, 9232540, 12925556, 16156945, 32313890, 64627780]

約数ペア:

[(1, 64627780), (2, 32313890), (4, 16156945), (5, 12925556), (7, 9232540), (10, 6462778), (14, 4616270), (20, 3231389), (28, 2308135), (35, 1846508), (70, 923254), (140, 461627)]