211504592080

素因数分解:

$2^4\times 5^1\times {\mathrm{2643807401}}^1$

素因数の和:2643807414

約数の個数: 20

約数和(自身を含む): 491748176772

約数和(自身を除く): 280243584692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2643807401, 5287614802, 10575229604, 13219037005, 21150459208, 26438074010, 42300918416, 52876148020, 105752296040, 211504592080]

約数ペア:

[(1, 211504592080), (2, 105752296040), (4, 52876148020), (5, 42300918416), (8, 26438074010), (10, 21150459208), (16, 13219037005), (20, 10575229604), (40, 5287614802), (80, 2643807401)]