171567128080

素因数分解:

$2^4\times 5^1\times {\mathrm{2144589101}}^1$

素因数の和:2144589114

約数の個数: 20

約数和(自身を含む): 398893572972

約数和(自身を除く): 227326444892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2144589101, 4289178202, 8578356404, 10722945505, 17156712808, 21445891010, 34313425616, 42891782020, 85783564040, 171567128080]

約数ペア:

[(1, 171567128080), (2, 85783564040), (4, 42891782020), (5, 34313425616), (8, 21445891010), (10, 17156712808), (16, 10722945505), (20, 8578356404), (40, 4289178202), (80, 2144589101)]