80000240

素因数分解:

$2^4\times 5^1\times {\mathrm{1000003}}^1$

素因数の和:1000016

約数の個数: 20

約数和(自身を含む): 186000744

約数和(自身を除く): 106000504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1000003, 2000006, 4000012, 5000015, 8000024, 10000030, 16000048, 20000060, 40000120, 80000240]

約数ペア:

[(1, 80000240), (2, 40000120), (4, 20000060), (5, 16000048), (8, 10000030), (10, 8000024), (16, 5000015), (20, 4000012), (40, 2000006), (80, 1000003)]