80425616

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{38371}}^1$

素因数の和:38510

約数の個数: 20

約数和(自身を含む): 157018224

約数和(自身を除く): 76592608

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 38371, 76742, 153484, 306968, 613936, 5026601, 10053202, 20106404, 40212808, 80425616]

約数ペア:

[(1, 80425616), (2, 40212808), (4, 20106404), (8, 10053202), (16, 5026601), (131, 613936), (262, 306968), (524, 153484), (1048, 76742), (2096, 38371)]