28222000

素因数分解:

$2^4\times 5^3\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:263

約数の個数: 80

約数和(自身を含む): 69406272

約数和(自身を除く): 41184272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 103, 125, 137, 200, 206, 250, 274, 400, 412, 500, 515, 548, 685, 824, 1000, 1030, 1096, 1370, 1648, 2000, 2060, 2192, 2575, 2740, 3425, 4120, 5150, 5480, 6850, 8240, 10300, 10960, 12875, 13700, 14111, 17125, 20600, 25750, 27400, 28222, 34250, 41200, 51500, 54800, 56444, 68500, 70555, 103000, 112888, 137000, 141110, 206000, 225776, 274000, 282220, 352775, 564440, 705550, 1128880, 1411100, 1763875, 2822200, 3527750, 5644400, 7055500, 14111000, 28222000]

約数ペア:

[(1, 28222000), (2, 14111000), (4, 7055500), (5, 5644400), (8, 3527750), (10, 2822200), (16, 1763875), (20, 1411100), (25, 1128880), (40, 705550), (50, 564440), (80, 352775), (100, 282220), (103, 274000), (125, 225776), (137, 206000), (200, 141110), (206, 137000), (250, 112888), (274, 103000), (400, 70555), (412, 68500), (500, 56444), (515, 54800), (548, 51500), (685, 41200), (824, 34250), (1000, 28222), (1030, 27400), (1096, 25750), (1370, 20600), (1648, 17125), (2000, 14111), (2060, 13700), (2192, 12875), (2575, 10960), (2740, 10300), (3425, 8240), (4120, 6850), (5150, 5480)]