4006000

素因数分解:

$2^4\times 5^3\times {\mathrm{2003}}^1$

素因数の和:2026

約数の個数: 40

約数和(自身を含む): 9691344

約数和(自身を除く): 5685344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 2003, 4006, 8012, 10015, 16024, 20030, 32048, 40060, 50075, 80120, 100150, 160240, 200300, 250375, 400600, 500750, 801200, 1001500, 2003000, 4006000]

約数ペア:

[(1, 4006000), (2, 2003000), (4, 1001500), (5, 801200), (8, 500750), (10, 400600), (16, 250375), (20, 200300), (25, 160240), (40, 100150), (50, 80120), (80, 50075), (100, 40060), (125, 32048), (200, 20030), (250, 16024), (400, 10015), (500, 8012), (1000, 4006), (2000, 2003)]