123578960

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4967}}^1$

素因数の和:5291

約数の個数: 40

約数和(自身を含む): 288302976

約数和(自身を除く): 164724016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 3110, 4967, 4976, 6220, 9934, 12440, 19868, 24835, 24880, 39736, 49670, 79472, 99340, 198680, 397360, 1544737, 3089474, 6178948, 7723685, 12357896, 15447370, 24715792, 30894740, 61789480, 123578960]

約数ペア:

[(1, 123578960), (2, 61789480), (4, 30894740), (5, 24715792), (8, 15447370), (10, 12357896), (16, 7723685), (20, 6178948), (40, 3089474), (80, 1544737), (311, 397360), (622, 198680), (1244, 99340), (1555, 79472), (2488, 49670), (3110, 39736), (4967, 24880), (4976, 24835), (6220, 19868), (9934, 12440)]