61789480

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4967}}^1$

素因数の和:5289

約数の個数: 32

約数和(自身を含む): 139501440

約数和(自身を除く): 77711960

約数列:

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

約数ペア:

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