8204120

素因数分解:

$2^3\times 5^1\times {\mathrm{205103}}^1$

素因数の和:205114

約数の個数: 16

約数和(自身を含む): 18459360

約数和(自身を除く): 10255240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 205103, 410206, 820412, 1025515, 1640824, 2051030, 4102060, 8204120]

約数ペア:

[(1, 8204120), (2, 4102060), (4, 2051030), (5, 1640824), (8, 1025515), (10, 820412), (20, 410206), (40, 205103)]