165212240

素因数分解:

$2^4\times 5^1\times {\mathrm{2065153}}^1$

素因数の和:2065166

約数の個数: 20

約数和(自身を含む): 384118644

約数和(自身を除く): 218906404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2065153, 4130306, 8260612, 10325765, 16521224, 20651530, 33042448, 41303060, 82606120, 165212240]

約数ペア:

[(1, 165212240), (2, 82606120), (4, 41303060), (5, 33042448), (8, 20651530), (10, 16521224), (16, 10325765), (20, 8260612), (40, 4130306), (80, 2065153)]