40397870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139303}}^1$

素因数の和:139339

約数の個数: 16

約数和(自身を含む): 75224160

約数和(自身を除く): 34826290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 139303, 278606, 696515, 1393030, 4039787, 8079574, 20198935, 40397870]

約数ペア:

[(1, 40397870), (2, 20198935), (5, 8079574), (10, 4039787), (29, 1393030), (58, 696515), (145, 278606), (290, 139303)]