80198000

素因数分解:

$2^4\times 5^3\times {\mathrm{40099}}^1$

素因数の和:40122

約数の個数: 40

約数和(自身を含む): 193923600

約数和(自身を除く): 113725600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 40099, 80198, 160396, 200495, 320792, 400990, 641584, 801980, 1002475, 1603960, 2004950, 3207920, 4009900, 5012375, 8019800, 10024750, 16039600, 20049500, 40099000, 80198000]

約数ペア:

[(1, 80198000), (2, 40099000), (4, 20049500), (5, 16039600), (8, 10024750), (10, 8019800), (16, 5012375), (20, 4009900), (25, 3207920), (40, 2004950), (50, 1603960), (80, 1002475), (100, 801980), (125, 641584), (200, 400990), (250, 320792), (400, 200495), (500, 160396), (1000, 80198), (2000, 40099)]