3928000

素因数分解:

$2^6\times 5^3\times {\mathrm{491}}^1$

素因数の和:518

約数の個数: 56

約数和(自身を含む): 9747504

約数和(自身を除く): 5819504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 491, 500, 800, 982, 1000, 1600, 1964, 2000, 2455, 3928, 4000, 4910, 7856, 8000, 9820, 12275, 15712, 19640, 24550, 31424, 39280, 49100, 61375, 78560, 98200, 122750, 157120, 196400, 245500, 392800, 491000, 785600, 982000, 1964000, 3928000]

約数ペア:

[(1, 3928000), (2, 1964000), (4, 982000), (5, 785600), (8, 491000), (10, 392800), (16, 245500), (20, 196400), (25, 157120), (32, 122750), (40, 98200), (50, 78560), (64, 61375), (80, 49100), (100, 39280), (125, 31424), (160, 24550), (200, 19640), (250, 15712), (320, 12275), (400, 9820), (491, 8000), (500, 7856), (800, 4910), (982, 4000), (1000, 3928), (1600, 2455), (1964, 2000)]