133286000

素因数分解:

$2^4\times 5^3\times {\mathrm{66643}}^1$

素因数の和:66666

約数の個数: 40

約数和(自身を含む): 322290384

約数和(自身を除く): 189004384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 66643, 133286, 266572, 333215, 533144, 666430, 1066288, 1332860, 1666075, 2665720, 3332150, 5331440, 6664300, 8330375, 13328600, 16660750, 26657200, 33321500, 66643000, 133286000]

約数ペア:

[(1, 133286000), (2, 66643000), (4, 33321500), (5, 26657200), (8, 16660750), (10, 13328600), (16, 8330375), (20, 6664300), (25, 5331440), (40, 3332150), (50, 2665720), (80, 1666075), (100, 1332860), (125, 1066288), (200, 666430), (250, 533144), (400, 333215), (500, 266572), (1000, 133286), (2000, 66643)]