81019168

素因数分解:

$2^5\times {\mathrm{1259}}^1\times {\mathrm{2011}}^1$

素因数の和:3280

約数の個数: 24

約数和(自身を含む): 159712560

約数和(自身を除く): 78693392

約数列:

[1, 2, 4, 8, 16, 32, 1259, 2011, 2518, 4022, 5036, 8044, 10072, 16088, 20144, 32176, 40288, 64352, 2531849, 5063698, 10127396, 20254792, 40509584, 81019168]

約数ペア:

[(1, 81019168), (2, 40509584), (4, 20254792), (8, 10127396), (16, 5063698), (32, 2531849), (1259, 64352), (2011, 40288), (2518, 32176), (4022, 20144), (5036, 16088), (8044, 10072)]