13138025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1627}}^1$

素因数の和:1673

約数の個数: 24

約数和(自身を含む): 18168480

約数和(自身を除く): 5030455

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 1627, 8075, 8135, 27659, 30913, 40675, 138295, 154565, 525521, 691475, 772825, 2627605, 13138025]

約数ペア:

[(1, 13138025), (5, 2627605), (17, 772825), (19, 691475), (25, 525521), (85, 154565), (95, 138295), (323, 40675), (425, 30913), (475, 27659), (1615, 8135), (1627, 8075)]