129774800

素因数分解:

$2^4\times 5^2\times {\mathrm{324437}}^1$

素因数の和:324455

約数の個数: 30

約数和(自身を含む): 311784918

約数和(自身を除く): 182010118

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 324437, 648874, 1297748, 1622185, 2595496, 3244370, 5190992, 6488740, 8110925, 12977480, 16221850, 25954960, 32443700, 64887400, 129774800]

約数ペア:

[(1, 129774800), (2, 64887400), (4, 32443700), (5, 25954960), (8, 16221850), (10, 12977480), (16, 8110925), (20, 6488740), (25, 5190992), (40, 3244370), (50, 2595496), (80, 1622185), (100, 1297748), (200, 648874), (400, 324437)]