2195920

素因数分解:

$2^4\times 5^1\times {\mathrm{27449}}^1$

素因数の和:27462

約数の個数: 20

約数和(自身を含む): 5105700

約数和(自身を除く): 2909780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27449, 54898, 109796, 137245, 219592, 274490, 439184, 548980, 1097960, 2195920]

約数ペア:

[(1, 2195920), (2, 1097960), (4, 548980), (5, 439184), (8, 274490), (10, 219592), (16, 137245), (20, 109796), (40, 54898), (80, 27449)]