13239308080

素因数分解:

$2^4\times 5^1\times {\mathrm{165491351}}^1$

素因数の和:165491364

約数の個数: 20

約数和(自身を含む): 30781391472

約数和(自身を除く): 17542083392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 165491351, 330982702, 661965404, 827456755, 1323930808, 1654913510, 2647861616, 3309827020, 6619654040, 13239308080]

約数ペア:

[(1, 13239308080), (2, 6619654040), (4, 3309827020), (5, 2647861616), (8, 1654913510), (10, 1323930808), (16, 827456755), (20, 661965404), (40, 330982702), (80, 165491351)]