8732720

素因数分解:

$2^4\times 5^1\times {\mathrm{109159}}^1$

素因数の和:109172

約数の個数: 20

約数和(自身を含む): 20303760

約数和(自身を除く): 11571040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109159, 218318, 436636, 545795, 873272, 1091590, 1746544, 2183180, 4366360, 8732720]

約数ペア:

[(1, 8732720), (2, 4366360), (4, 2183180), (5, 1746544), (8, 1091590), (10, 873272), (16, 545795), (20, 436636), (40, 218318), (80, 109159)]