205656740

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{28643}}^1$

素因数の和:29011

約数の個数: 24

約数和(自身を含む): 433097280

約数和(自身を除く): 227440540

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 7180, 28643, 57286, 114572, 143215, 286430, 572860, 10282837, 20565674, 41131348, 51414185, 102828370, 205656740]

約数ペア:

[(1, 205656740), (2, 102828370), (4, 51414185), (5, 41131348), (10, 20565674), (20, 10282837), (359, 572860), (718, 286430), (1436, 143215), (1795, 114572), (3590, 57286), (7180, 28643)]