81976000

素因数分解:

$2^6\times 5^3\times {\mathrm{10247}}^1$

素因数の和:10274

約数の個数: 56

約数和(自身を含む): 203033376

約数和(自身を除く): 121057376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 8000, 10247, 20494, 40988, 51235, 81976, 102470, 163952, 204940, 256175, 327904, 409880, 512350, 655808, 819760, 1024700, 1280875, 1639520, 2049400, 2561750, 3279040, 4098800, 5123500, 8197600, 10247000, 16395200, 20494000, 40988000, 81976000]

約数ペア:

[(1, 81976000), (2, 40988000), (4, 20494000), (5, 16395200), (8, 10247000), (10, 8197600), (16, 5123500), (20, 4098800), (25, 3279040), (32, 2561750), (40, 2049400), (50, 1639520), (64, 1280875), (80, 1024700), (100, 819760), (125, 655808), (160, 512350), (200, 409880), (250, 327904), (320, 256175), (400, 204940), (500, 163952), (800, 102470), (1000, 81976), (1600, 51235), (2000, 40988), (4000, 20494), (8000, 10247)]