39819790

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{16661}}^1$

素因数の和:16907

約数の個数: 16

約数和(自身を含む): 71979840

約数和(自身を除く): 32160050

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 16661, 33322, 83305, 166610, 3981979, 7963958, 19909895, 39819790]

約数ペア:

[(1, 39819790), (2, 19909895), (5, 7963958), (10, 3981979), (239, 166610), (478, 83305), (1195, 33322), (2390, 16661)]