630580

素因数分解:

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

素因数の和:819

約数の個数: 24

約数和(自身を含む): 1358280

約数和(自身を除く): 727700

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 769, 820, 1538, 3076, 3845, 7690, 15380, 31529, 63058, 126116, 157645, 315290, 630580]

約数ペア:

[(1, 630580), (2, 315290), (4, 157645), (5, 126116), (10, 63058), (20, 31529), (41, 15380), (82, 7690), (164, 3845), (205, 3076), (410, 1538), (769, 820)]