8006000

素因数分解:

$2^4\times 5^3\times {\mathrm{4003}}^1$

素因数の和:4026

約数の個数: 40

約数和(自身を含む): 19363344

約数和(自身を除く): 11357344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 4003, 8006, 16012, 20015, 32024, 40030, 64048, 80060, 100075, 160120, 200150, 320240, 400300, 500375, 800600, 1000750, 1601200, 2001500, 4003000, 8006000]

約数ペア:

[(1, 8006000), (2, 4003000), (4, 2001500), (5, 1601200), (8, 1000750), (10, 800600), (16, 500375), (20, 400300), (25, 320240), (40, 200150), (50, 160120), (80, 100075), (100, 80060), (125, 64048), (200, 40030), (250, 32024), (400, 20015), (500, 16012), (1000, 8006), (2000, 4003)]