25259660

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11587}}^1$

素因数の和:11705

約数の個数: 24

約数和(自身を含む): 53536560

約数和(自身を除く): 28276900

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 11587, 23174, 46348, 57935, 115870, 231740, 1262983, 2525966, 5051932, 6314915, 12629830, 25259660]

約数ペア:

[(1, 25259660), (2, 12629830), (4, 6314915), (5, 5051932), (10, 2525966), (20, 1262983), (109, 231740), (218, 115870), (436, 57935), (545, 46348), (1090, 23174), (2180, 11587)]