80420800

素因数分解:

$2^6\times 5^2\times {\mathrm{50263}}^1$

素因数の和:50285

約数の個数: 42

約数和(自身を含む): 197889368

約数和(自身を除く): 117468568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 50263, 100526, 201052, 251315, 402104, 502630, 804208, 1005260, 1256575, 1608416, 2010520, 2513150, 3216832, 4021040, 5026300, 8042080, 10052600, 16084160, 20105200, 40210400, 80420800]

約数ペア:

[(1, 80420800), (2, 40210400), (4, 20105200), (5, 16084160), (8, 10052600), (10, 8042080), (16, 5026300), (20, 4021040), (25, 3216832), (32, 2513150), (40, 2010520), (50, 1608416), (64, 1256575), (80, 1005260), (100, 804208), (160, 502630), (200, 402104), (320, 251315), (400, 201052), (800, 100526), (1600, 50263)]