16000240

素因数分解:

$2^4\times 5^1\times {\mathrm{200003}}^1$

素因数の和:200016

約数の個数: 20

約数和(自身を含む): 37200744

約数和(自身を除く): 21200504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 200003, 400006, 800012, 1000015, 1600024, 2000030, 3200048, 4000060, 8000120, 16000240]

約数ペア:

[(1, 16000240), (2, 8000120), (4, 4000060), (5, 3200048), (8, 2000030), (10, 1600024), (16, 1000015), (20, 800012), (40, 400006), (80, 200003)]