2017109680

素因数分解:

$2^4\times 5^1\times {\mathrm{25213871}}^1$

素因数の和:25213884

約数の個数: 20

約数和(自身を含む): 4689780192

約数和(自身を除く): 2672670512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25213871, 50427742, 100855484, 126069355, 201710968, 252138710, 403421936, 504277420, 1008554840, 2017109680]

約数ペア:

[(1, 2017109680), (2, 1008554840), (4, 504277420), (5, 403421936), (8, 252138710), (10, 201710968), (16, 126069355), (20, 100855484), (40, 50427742), (80, 25213871)]