2587660

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1187}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 5488560

約数和(自身を除く): 2900900

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 1187, 2180, 2374, 4748, 5935, 11870, 23740, 129383, 258766, 517532, 646915, 1293830, 2587660]

約数ペア:

[(1, 2587660), (2, 1293830), (4, 646915), (5, 517532), (10, 258766), (20, 129383), (109, 23740), (218, 11870), (436, 5935), (545, 4748), (1090, 2374), (1187, 2180)]