40204000

素因数分解:

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

素因数の和:90

約数の個数: 144

約数和(自身を含む): 108697680

約数和(自身を除く): 68493680

約数列:

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

約数ペア:

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