142808080

素因数分解:

$2^4\times 5^1\times {\mathrm{1785101}}^1$

素因数の和:1785114

約数の個数: 20

約数和(自身を含む): 332028972

約数和(自身を除く): 189220892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1785101, 3570202, 7140404, 8925505, 14280808, 17851010, 28561616, 35702020, 71404040, 142808080]

約数ペア:

[(1, 142808080), (2, 71404040), (4, 35702020), (5, 28561616), (8, 17851010), (10, 14280808), (16, 8925505), (20, 7140404), (40, 3570202), (80, 1785101)]