15662721020

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{439}}^1\times {\mathrm{4139}}^1$

素因数の和:5018

約数の個数: 48

約数和(自身を含む): 33051110400

約数和(自身を除く): 17388389380

約数列:

[1, 2, 4, 5, 10, 20, 431, 439, 862, 878, 1724, 1756, 2155, 2195, 4139, 4310, 4390, 8278, 8620, 8780, 16556, 20695, 41390, 82780, 189209, 378418, 756836, 946045, 1783909, 1817021, 1892090, 3567818, 3634042, 3784180, 7135636, 7268084, 8919545, 9085105, 17839090, 18170210, 35678180, 36340420, 783136051, 1566272102, 3132544204, 3915680255, 7831360510, 15662721020]

約数ペア:

[(1, 15662721020), (2, 7831360510), (4, 3915680255), (5, 3132544204), (10, 1566272102), (20, 783136051), (431, 36340420), (439, 35678180), (862, 18170210), (878, 17839090), (1724, 9085105), (1756, 8919545), (2155, 7268084), (2195, 7135636), (4139, 3784180), (4310, 3634042), (4390, 3567818), (8278, 1892090), (8620, 1817021), (8780, 1783909), (16556, 946045), (20695, 756836), (41390, 378418), (82780, 189209)]