200720120

素因数分解:

$2^3\times 5^1\times {\mathrm{5018003}}^1$

素因数の和:5018014

約数の個数: 16

約数和(自身を含む): 451620360

約数和(自身を除く): 250900240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5018003, 10036006, 20072012, 25090015, 40144024, 50180030, 100360060, 200720120]

約数ペア:

[(1, 200720120), (2, 100360060), (4, 50180030), (5, 40144024), (8, 25090015), (10, 20072012), (20, 10036006), (40, 5018003)]