80049528080

素因数分解:

$2^4\times 5^1\times {\mathrm{1000619101}}^1$

素因数の和:1000619114

約数の個数: 20

約数和(自身を含む): 186115152972

約数和(自身を除く): 106065624892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1000619101, 2001238202, 4002476404, 5003095505, 8004952808, 10006191010, 16009905616, 20012382020, 40024764040, 80049528080]

約数ペア:

[(1, 80049528080), (2, 40024764040), (4, 20012382020), (5, 16009905616), (8, 10006191010), (10, 8004952808), (16, 5003095505), (20, 4002476404), (40, 2001238202), (80, 1000619101)]