2645840

素因数分解:

$2^4\times 5^1\times {\mathrm{33073}}^1$

素因数の和:33086

約数の個数: 20

約数和(自身を含む): 6151764

約数和(自身を除く): 3505924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 33073, 66146, 132292, 165365, 264584, 330730, 529168, 661460, 1322920, 2645840]

約数ペア:

[(1, 2645840), (2, 1322920), (4, 661460), (5, 529168), (8, 330730), (10, 264584), (16, 165365), (20, 132292), (40, 66146), (80, 33073)]