2644120

素因数分解:

$2^3\times 5^1\times {\mathrm{66103}}^1$

素因数の和:66114

約数の個数: 16

約数和(自身を含む): 5949360

約数和(自身を除く): 3305240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 66103, 132206, 264412, 330515, 528824, 661030, 1322060, 2644120]

約数ペア:

[(1, 2644120), (2, 1322060), (4, 661030), (5, 528824), (8, 330515), (10, 264412), (20, 132206), (40, 66103)]