10991660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12781}}^1$

素因数の和:12833

約数の個数: 24

約数和(自身を含む): 23621136

約数和(自身を除く): 12629476

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 12781, 25562, 51124, 63905, 127810, 255620, 549583, 1099166, 2198332, 2747915, 5495830, 10991660]

約数ペア:

[(1, 10991660), (2, 5495830), (4, 2747915), (5, 2198332), (10, 1099166), (20, 549583), (43, 255620), (86, 127810), (172, 63905), (215, 51124), (430, 25562), (860, 12781)]