12578860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89849}}^1$

素因数の和:89865

約数の個数: 24

約数和(自身を含む): 30189600

約数和(自身を除く): 17610740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 89849, 179698, 359396, 449245, 628943, 898490, 1257886, 1796980, 2515772, 3144715, 6289430, 12578860]

約数ペア:

[(1, 12578860), (2, 6289430), (4, 3144715), (5, 2515772), (7, 1796980), (10, 1257886), (14, 898490), (20, 628943), (28, 449245), (35, 359396), (70, 179698), (140, 89849)]