80213708

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{157901}}^1$

素因数の和:158032

約数の個数: 12

約数和(自身を含む): 141480192

約数和(自身を除く): 61266484

約数列:

[1, 2, 4, 127, 254, 508, 157901, 315802, 631604, 20053427, 40106854, 80213708]

約数ペア:

[(1, 80213708), (2, 40106854), (4, 20053427), (127, 631604), (254, 315802), (508, 157901)]