129348080

素因数分解:

$2^4\times 5^1\times {\mathrm{1616851}}^1$

素因数の和:1616864

約数の個数: 20

約数和(自身を含む): 300734472

約数和(自身を除く): 171386392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1616851, 3233702, 6467404, 8084255, 12934808, 16168510, 25869616, 32337020, 64674040, 129348080]

約数ペア:

[(1, 129348080), (2, 64674040), (4, 32337020), (5, 25869616), (8, 16168510), (10, 12934808), (16, 8084255), (20, 6467404), (40, 3233702), (80, 1616851)]