12926890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{769}}^1$

素因数の和:858

約数の個数: 24

約数和(自身を含む): 23880780

約数和(自身を除く): 10953890

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 769, 1538, 1681, 3362, 3845, 7690, 8405, 16810, 31529, 63058, 157645, 315290, 1292689, 2585378, 6463445, 12926890]

約数ペア:

[(1, 12926890), (2, 6463445), (5, 2585378), (10, 1292689), (41, 315290), (82, 157645), (205, 63058), (410, 31529), (769, 16810), (1538, 8405), (1681, 7690), (3362, 3845)]