6554886160

素因数分解:

$2^4\times 5^1\times {\mathrm{81936077}}^1$

素因数の和:81936090

約数の個数: 20

約数和(自身を含む): 15240110508

約数和(自身を除く): 8685224348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 81936077, 163872154, 327744308, 409680385, 655488616, 819360770, 1310977232, 1638721540, 3277443080, 6554886160]

約数ペア:

[(1, 6554886160), (2, 3277443080), (4, 1638721540), (5, 1310977232), (8, 819360770), (10, 655488616), (16, 409680385), (20, 327744308), (40, 163872154), (80, 81936077)]