7947340

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2531}}^1$

素因数の和:2697

約数の個数: 24

約数和(自身を含む): 16802352

約数和(自身を除く): 8855012

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 2531, 3140, 5062, 10124, 12655, 25310, 50620, 397367, 794734, 1589468, 1986835, 3973670, 7947340]

約数ペア:

[(1, 7947340), (2, 3973670), (4, 1986835), (5, 1589468), (10, 794734), (20, 397367), (157, 50620), (314, 25310), (628, 12655), (785, 10124), (1570, 5062), (2531, 3140)]