80408000

素因数分解:

$2^6\times 5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:92

約数の個数: 168

約数和(自身を含む): 219120720

約数和(自身を除く): 138712720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 25, 32, 38, 40, 46, 50, 64, 76, 80, 92, 95, 100, 115, 125, 152, 160, 184, 190, 200, 230, 250, 304, 320, 368, 380, 400, 437, 460, 475, 500, 529, 575, 608, 736, 760, 800, 874, 920, 950, 1000, 1058, 1150, 1216, 1472, 1520, 1600, 1748, 1840, 1900, 2000, 2116, 2185, 2300, 2375, 2645, 2875, 3040, 3496, 3680, 3800, 4000, 4232, 4370, 4600, 4750, 5290, 5750, 6080, 6992, 7360, 7600, 8000, 8464, 8740, 9200, 9500, 10051, 10580, 10925, 11500, 13225, 13984, 15200, 16928, 17480, 18400, 19000, 20102, 21160, 21850, 23000, 26450, 27968, 30400, 33856, 34960, 36800, 38000, 40204, 42320, 43700, 46000, 50255, 52900, 54625, 66125, 69920, 76000, 80408, 84640, 87400, 92000, 100510, 105800, 109250, 132250, 139840, 152000, 160816, 169280, 174800, 184000, 201020, 211600, 218500, 251275, 264500, 321632, 349600, 402040, 423200, 437000, 502550, 529000, 643264, 699200, 804080, 846400, 874000, 1005100, 1058000, 1256375, 1608160, 1748000, 2010200, 2116000, 2512750, 3216320, 3496000, 4020400, 4232000, 5025500, 8040800, 10051000, 16081600, 20102000, 40204000, 80408000]

約数ペア:

[(1, 80408000), (2, 40204000), (4, 20102000), (5, 16081600), (8, 10051000), (10, 8040800), (16, 5025500), (19, 4232000), (20, 4020400), (23, 3496000), (25, 3216320), (32, 2512750), (38, 2116000), (40, 2010200), (46, 1748000), (50, 1608160), (64, 1256375), (76, 1058000), (80, 1005100), (92, 874000), (95, 846400), (100, 804080), (115, 699200), (125, 643264), (152, 529000), (160, 502550), (184, 437000), (190, 423200), (200, 402040), (230, 349600), (250, 321632), (304, 264500), (320, 251275), (368, 218500), (380, 211600), (400, 201020), (437, 184000), (460, 174800), (475, 169280), (500, 160816), (529, 152000), (575, 139840), (608, 132250), (736, 109250), (760, 105800), (800, 100510), (874, 92000), (920, 87400), (950, 84640), (1000, 80408), (1058, 76000), (1150, 69920), (1216, 66125), (1472, 54625), (1520, 52900), (1600, 50255), (1748, 46000), (1840, 43700), (1900, 42320), (2000, 40204), (2116, 38000), (2185, 36800), (2300, 34960), (2375, 33856), (2645, 30400), (2875, 27968), (3040, 26450), (3496, 23000), (3680, 21850), (3800, 21160), (4000, 20102), (4232, 19000), (4370, 18400), (4600, 17480), (4750, 16928), (5290, 15200), (5750, 13984), (6080, 13225), (6992, 11500), (7360, 10925), (7600, 10580), (8000, 10051), (8464, 9500), (8740, 9200)]