6428740

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2531}}^1$

素因数の和:2667

約数の個数: 24

約数和(自身を含む): 13612032

約数和(自身を除く): 7183292

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2531, 2540, 5062, 10124, 12655, 25310, 50620, 321437, 642874, 1285748, 1607185, 3214370, 6428740]

約数ペア:

[(1, 6428740), (2, 3214370), (4, 1607185), (5, 1285748), (10, 642874), (20, 321437), (127, 50620), (254, 25310), (508, 12655), (635, 10124), (1270, 5062), (2531, 2540)]