173840720

素因数分解:

$2^4\times 5^1\times {\mathrm{2173009}}^1$

素因数の和:2173022

約数の個数: 20

約数和(自身を含む): 404179860

約数和(自身を除く): 230339140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2173009, 4346018, 8692036, 10865045, 17384072, 21730090, 34768144, 43460180, 86920360, 173840720]

約数ペア:

[(1, 173840720), (2, 86920360), (4, 43460180), (5, 34768144), (8, 21730090), (10, 17384072), (16, 10865045), (20, 8692036), (40, 4346018), (80, 2173009)]