28060810

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 52390800

約数和(自身を除く): 24329990

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 410, 445, 769, 890, 1538, 3649, 3845, 7298, 7690, 18245, 31529, 36490, 63058, 68441, 136882, 157645, 315290, 342205, 684410, 2806081, 5612162, 14030405, 28060810]

約数ペア:

[(1, 28060810), (2, 14030405), (5, 5612162), (10, 2806081), (41, 684410), (82, 342205), (89, 315290), (178, 157645), (205, 136882), (410, 68441), (445, 63058), (769, 36490), (890, 31529), (1538, 18245), (3649, 7690), (3845, 7298)]