172642160

素因数分解:

$2^4\times 5^1\times {\mathrm{2158027}}^1$

素因数の和:2158040

約数の個数: 20

約数和(自身を含む): 401393208

約数和(自身を除く): 228751048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2158027, 4316054, 8632108, 10790135, 17264216, 21580270, 34528432, 43160540, 86321080, 172642160]

約数ペア:

[(1, 172642160), (2, 86321080), (4, 43160540), (5, 34528432), (8, 21580270), (10, 17264216), (16, 10790135), (20, 8632108), (40, 4316054), (80, 2158027)]