27964000

素因数分解:

$2^5\times 5^3\times {\mathrm{6991}}^1$

素因数の和:7016

約数の個数: 48

約数和(自身を含む): 68717376

約数和(自身を除く): 40753376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 6991, 13982, 27964, 34955, 55928, 69910, 111856, 139820, 174775, 223712, 279640, 349550, 559280, 699100, 873875, 1118560, 1398200, 1747750, 2796400, 3495500, 5592800, 6991000, 13982000, 27964000]

約数ペア:

[(1, 27964000), (2, 13982000), (4, 6991000), (5, 5592800), (8, 3495500), (10, 2796400), (16, 1747750), (20, 1398200), (25, 1118560), (32, 873875), (40, 699100), (50, 559280), (80, 349550), (100, 279640), (125, 223712), (160, 174775), (200, 139820), (250, 111856), (400, 69910), (500, 55928), (800, 34955), (1000, 27964), (2000, 13982), (4000, 6991)]