82478800

素因数分解:

$2^4\times 5^2\times {\mathrm{206197}}^1$

素因数の和:206215

約数の個数: 30

約数和(自身を含む): 198156278

約数和(自身を除く): 115677478

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 206197, 412394, 824788, 1030985, 1649576, 2061970, 3299152, 4123940, 5154925, 8247880, 10309850, 16495760, 20619700, 41239400, 82478800]

約数ペア:

[(1, 82478800), (2, 41239400), (4, 20619700), (5, 16495760), (8, 10309850), (10, 8247880), (16, 5154925), (20, 4123940), (25, 3299152), (40, 2061970), (50, 1649576), (80, 1030985), (100, 824788), (200, 412394), (400, 206197)]