13788080

素因数分解:

$2^4\times 5^1\times {\mathrm{172351}}^1$

素因数の和:172364

約数の個数: 20

約数和(自身を含む): 32057472

約数和(自身を除く): 18269392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 172351, 344702, 689404, 861755, 1378808, 1723510, 2757616, 3447020, 6894040, 13788080]

約数ペア:

[(1, 13788080), (2, 6894040), (4, 3447020), (5, 2757616), (8, 1723510), (10, 1378808), (16, 861755), (20, 689404), (40, 344702), (80, 172351)]