80774800

素因数分解:

$2^4\times 5^2\times {\mathrm{201937}}^1$

素因数の和:201955

約数の個数: 30

約数和(自身を含む): 194062418

約数和(自身を除く): 113287618

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 201937, 403874, 807748, 1009685, 1615496, 2019370, 3230992, 4038740, 5048425, 8077480, 10096850, 16154960, 20193700, 40387400, 80774800]

約数ペア:

[(1, 80774800), (2, 40387400), (4, 20193700), (5, 16154960), (8, 10096850), (10, 8077480), (16, 5048425), (20, 4038740), (25, 3230992), (40, 2019370), (50, 1615496), (80, 1009685), (100, 807748), (200, 403874), (400, 201937)]