83756870

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{20887}}^1$

素因数の和:21295

約数の個数: 16

約数和(自身を含む): 151145568

約数和(自身を除く): 67388698

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 20887, 41774, 104435, 208870, 8375687, 16751374, 41878435, 83756870]

約数ペア:

[(1, 83756870), (2, 41878435), (5, 16751374), (10, 8375687), (401, 208870), (802, 104435), (2005, 41774), (4010, 20887)]