80144320

素因数分解:

$2^6\times 5^1\times {\mathrm{250451}}^1$

素因数の和:250468

約数の個数: 28

約数和(自身を含む): 190844424

約数和(自身を除く): 110700104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 250451, 500902, 1001804, 1252255, 2003608, 2504510, 4007216, 5009020, 8014432, 10018040, 16028864, 20036080, 40072160, 80144320]

約数ペア:

[(1, 80144320), (2, 40072160), (4, 20036080), (5, 16028864), (8, 10018040), (10, 8014432), (16, 5009020), (20, 4007216), (32, 2504510), (40, 2003608), (64, 1252255), (80, 1001804), (160, 500902), (320, 250451)]