2557375

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:555

約数の個数: 16

約数和(自身を含む): 3276000

約数和(自身を除く): 718625

約数列:

[1, 5, 25, 41, 125, 205, 499, 1025, 2495, 5125, 12475, 20459, 62375, 102295, 511475, 2557375]

約数ペア:

[(1, 2557375), (5, 511475), (25, 102295), (41, 62375), (125, 20459), (205, 12475), (499, 5125), (1025, 2495)]