13257580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{337}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 32026176

約数和(自身を除く): 18768596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 337, 562, 674, 1124, 1348, 1405, 1685, 1967, 2359, 2810, 3370, 3934, 4718, 5620, 6740, 7868, 9436, 9835, 11795, 19670, 23590, 39340, 47180, 94697, 189394, 378788, 473485, 662879, 946970, 1325758, 1893940, 2651516, 3314395, 6628790, 13257580]

約数ペア:

[(1, 13257580), (2, 6628790), (4, 3314395), (5, 2651516), (7, 1893940), (10, 1325758), (14, 946970), (20, 662879), (28, 473485), (35, 378788), (70, 189394), (140, 94697), (281, 47180), (337, 39340), (562, 23590), (674, 19670), (1124, 11795), (1348, 9835), (1405, 9436), (1685, 7868), (1967, 6740), (2359, 5620), (2810, 4718), (3370, 3934)]