40396490

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{37061}}^1$

素因数の和:37177

約数の個数: 16

約数和(自身を含む): 73382760

約数和(自身を除く): 32986270

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 37061, 74122, 185305, 370610, 4039649, 8079298, 20198245, 40396490]

約数ペア:

[(1, 40396490), (2, 20198245), (5, 8079298), (10, 4039649), (109, 370610), (218, 185305), (545, 74122), (1090, 37061)]