8042000

素因数分解:

$2^4\times 5^3\times {\mathrm{4021}}^1$

素因数の和:4044

約数の個数: 40

約数和(自身を含む): 19450392

約数和(自身を除く): 11408392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 4021, 8042, 16084, 20105, 32168, 40210, 64336, 80420, 100525, 160840, 201050, 321680, 402100, 502625, 804200, 1005250, 1608400, 2010500, 4021000, 8042000]

約数ペア:

[(1, 8042000), (2, 4021000), (4, 2010500), (5, 1608400), (8, 1005250), (10, 804200), (16, 502625), (20, 402100), (25, 321680), (40, 201050), (50, 160840), (80, 100525), (100, 80420), (125, 64336), (200, 40210), (250, 32168), (400, 20105), (500, 16084), (1000, 8042), (2000, 4021)]