26131660

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11987}}^1$

素因数の和:12105

約数の個数: 24

約数和(自身を含む): 55384560

約数和(自身を除く): 29252900

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 11987, 23974, 47948, 59935, 119870, 239740, 1306583, 2613166, 5226332, 6532915, 13065830, 26131660]

約数ペア:

[(1, 26131660), (2, 13065830), (4, 6532915), (5, 5226332), (10, 2613166), (20, 1306583), (109, 239740), (218, 119870), (436, 59935), (545, 47948), (1090, 23974), (2180, 11987)]