12812740

素因数分解:

$2^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1901}}^1$

素因数の和:2247

約数の個数: 24

約数和(自身を含む): 27000792

約数和(自身を除く): 14188052

約数列:

[1, 2, 4, 5, 10, 20, 337, 674, 1348, 1685, 1901, 3370, 3802, 6740, 7604, 9505, 19010, 38020, 640637, 1281274, 2562548, 3203185, 6406370, 12812740]

約数ペア:

[(1, 12812740), (2, 6406370), (4, 3203185), (5, 2562548), (10, 1281274), (20, 640637), (337, 38020), (674, 19010), (1348, 9505), (1685, 7604), (1901, 6740), (3370, 3802)]