8000240

素因数分解:

$2^4\times 5^1\times {\mathrm{100003}}^1$

素因数の和:100016

約数の個数: 20

約数和(自身を含む): 18600744

約数和(自身を除く): 10600504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 100003, 200006, 400012, 500015, 800024, 1000030, 1600048, 2000060, 4000120, 8000240]

約数ペア:

[(1, 8000240), (2, 4000120), (4, 2000060), (5, 1600048), (8, 1000030), (10, 800024), (16, 500015), (20, 400012), (40, 200006), (80, 100003)]