40722160

素因数分解:

$2^4\times 5^1\times {\mathrm{509027}}^1$

素因数の和:509040

約数の個数: 20

約数和(自身を含む): 94679208

約数和(自身を除く): 53957048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509027, 1018054, 2036108, 2545135, 4072216, 5090270, 8144432, 10180540, 20361080, 40722160]

約数ペア:

[(1, 40722160), (2, 20361080), (4, 10180540), (5, 8144432), (8, 5090270), (10, 4072216), (16, 2545135), (20, 2036108), (40, 1018054), (80, 509027)]