2601640

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{337}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 5901480

約数和(自身を除く): 3299840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 337, 386, 674, 772, 965, 1348, 1544, 1685, 1930, 2696, 3370, 3860, 6740, 7720, 13480, 65041, 130082, 260164, 325205, 520328, 650410, 1300820, 2601640]

約数ペア:

[(1, 2601640), (2, 1300820), (4, 650410), (5, 520328), (8, 325205), (10, 260164), (20, 130082), (40, 65041), (193, 13480), (337, 7720), (386, 6740), (674, 3860), (772, 3370), (965, 2696), (1348, 1930), (1544, 1685)]