4036000

素因数分解:

$2^5\times 5^3\times {\mathrm{1009}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 9926280

約数和(自身を除く): 5890280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 1009, 2000, 2018, 4000, 4036, 5045, 8072, 10090, 16144, 20180, 25225, 32288, 40360, 50450, 80720, 100900, 126125, 161440, 201800, 252250, 403600, 504500, 807200, 1009000, 2018000, 4036000]

約数ペア:

[(1, 4036000), (2, 2018000), (4, 1009000), (5, 807200), (8, 504500), (10, 403600), (16, 252250), (20, 201800), (25, 161440), (32, 126125), (40, 100900), (50, 80720), (80, 50450), (100, 40360), (125, 32288), (160, 25225), (200, 20180), (250, 16144), (400, 10090), (500, 8072), (800, 5045), (1000, 4036), (1009, 4000), (2000, 2018)]