285440240

素因数分解:

$2^4\times 5^1\times {\mathrm{3568003}}^1$

素因数の和:3568016

約数の個数: 20

約数和(自身を含む): 663648744

約数和(自身を除く): 378208504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3568003, 7136006, 14272012, 17840015, 28544024, 35680030, 57088048, 71360060, 142720120, 285440240]

約数ペア:

[(1, 285440240), (2, 142720120), (4, 71360060), (5, 57088048), (8, 35680030), (10, 28544024), (16, 17840015), (20, 14272012), (40, 7136006), (80, 3568003)]