21169688000

素因数分解:

$2^6\times 5^3\times {\mathrm{2646211}}^1$

素因数の和:2646238

約数の個数: 56

約数和(自身を含む): 52426752144

約数和(自身を除く): 31257064144

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, 2646211, 5292422, 10584844, 13231055, 21169688, 26462110, 42339376, 52924220, 66155275, 84678752, 105848440, 132310550, 169357504, 211696880, 264621100, 330776375, 423393760, 529242200, 661552750, 846787520, 1058484400, 1323105500, 2116968800, 2646211000, 4233937600, 5292422000, 10584844000, 21169688000]

約数ペア:

[(1, 21169688000), (2, 10584844000), (4, 5292422000), (5, 4233937600), (8, 2646211000), (10, 2116968800), (16, 1323105500), (20, 1058484400), (25, 846787520), (32, 661552750), (40, 529242200), (50, 423393760), (64, 330776375), (80, 264621100), (100, 211696880), (125, 169357504), (160, 132310550), (200, 105848440), (250, 84678752), (320, 66155275), (400, 52924220), (500, 42339376), (800, 26462110), (1000, 21169688), (1600, 13231055), (2000, 10584844), (4000, 5292422), (8000, 2646211)]