57681040

素因数分解:

$2^4\times 5^1\times {\mathrm{721013}}^1$

素因数の和:721026

約数の個数: 20

約数和(自身を含む): 134108604

約数和(自身を除く): 76427564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 721013, 1442026, 2884052, 3605065, 5768104, 7210130, 11536208, 14420260, 28840520, 57681040]

約数ペア:

[(1, 57681040), (2, 28840520), (4, 14420260), (5, 11536208), (8, 7210130), (10, 5768104), (16, 3605065), (20, 2884052), (40, 1442026), (80, 721013)]