28515680

素因数分解:

$2^5\times 5^1\times {\mathrm{178223}}^1$

素因数の和:178238

約数の個数: 24

約数和(自身を含む): 67368672

約数和(自身を除く): 38852992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 178223, 356446, 712892, 891115, 1425784, 1782230, 2851568, 3564460, 5703136, 7128920, 14257840, 28515680]

約数ペア:

[(1, 28515680), (2, 14257840), (4, 7128920), (5, 5703136), (8, 3564460), (10, 2851568), (16, 1782230), (20, 1425784), (32, 891115), (40, 712892), (80, 356446), (160, 178223)]