27221660

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12487}}^1$

素因数の和:12605

約数の個数: 24

約数和(自身を含む): 57694560

約数和(自身を除く): 30472900

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 12487, 24974, 49948, 62435, 124870, 249740, 1361083, 2722166, 5444332, 6805415, 13610830, 27221660]

約数ペア:

[(1, 27221660), (2, 13610830), (4, 6805415), (5, 5444332), (10, 2722166), (20, 1361083), (109, 249740), (218, 124870), (436, 62435), (545, 49948), (1090, 24974), (2180, 12487)]