20006000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{1429}}^1$

素因数の和:1459

約数の個数: 80

約数和(自身を含む): 55323840

約数和(自身を除く): 35317840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1429, 1750, 2000, 2800, 2858, 3500, 5716, 7000, 7145, 10003, 11432, 14000, 14290, 20006, 22864, 28580, 35725, 40012, 50015, 57160, 71450, 80024, 100030, 114320, 142900, 160048, 178625, 200060, 250075, 285800, 357250, 400120, 500150, 571600, 714500, 800240, 1000300, 1250375, 1429000, 2000600, 2500750, 2858000, 4001200, 5001500, 10003000, 20006000]

約数ペア:

[(1, 20006000), (2, 10003000), (4, 5001500), (5, 4001200), (7, 2858000), (8, 2500750), (10, 2000600), (14, 1429000), (16, 1250375), (20, 1000300), (25, 800240), (28, 714500), (35, 571600), (40, 500150), (50, 400120), (56, 357250), (70, 285800), (80, 250075), (100, 200060), (112, 178625), (125, 160048), (140, 142900), (175, 114320), (200, 100030), (250, 80024), (280, 71450), (350, 57160), (400, 50015), (500, 40012), (560, 35725), (700, 28580), (875, 22864), (1000, 20006), (1400, 14290), (1429, 14000), (1750, 11432), (2000, 10003), (2800, 7145), (2858, 7000), (3500, 5716)]