2181680

素因数分解:

$2^4\times 5^1\times {\mathrm{27271}}^1$

素因数の和:27284

約数の個数: 20

約数和(自身を含む): 5072592

約数和(自身を除く): 2890912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27271, 54542, 109084, 136355, 218168, 272710, 436336, 545420, 1090840, 2181680]

約数ペア:

[(1, 2181680), (2, 1090840), (4, 545420), (5, 436336), (8, 272710), (10, 218168), (16, 136355), (20, 109084), (40, 54542), (80, 27271)]