25474000

素因数分解:

$2^4\times 5^3\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:341

約数の個数: 80

約数和(自身を含む): 63138816

約数和(自身を除く): 37664816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 125, 188, 200, 235, 250, 271, 376, 400, 470, 500, 542, 752, 940, 1000, 1084, 1175, 1355, 1880, 2000, 2168, 2350, 2710, 3760, 4336, 4700, 5420, 5875, 6775, 9400, 10840, 11750, 12737, 13550, 18800, 21680, 23500, 25474, 27100, 33875, 47000, 50948, 54200, 63685, 67750, 94000, 101896, 108400, 127370, 135500, 203792, 254740, 271000, 318425, 509480, 542000, 636850, 1018960, 1273700, 1592125, 2547400, 3184250, 5094800, 6368500, 12737000, 25474000]

約数ペア:

[(1, 25474000), (2, 12737000), (4, 6368500), (5, 5094800), (8, 3184250), (10, 2547400), (16, 1592125), (20, 1273700), (25, 1018960), (40, 636850), (47, 542000), (50, 509480), (80, 318425), (94, 271000), (100, 254740), (125, 203792), (188, 135500), (200, 127370), (235, 108400), (250, 101896), (271, 94000), (376, 67750), (400, 63685), (470, 54200), (500, 50948), (542, 47000), (752, 33875), (940, 27100), (1000, 25474), (1084, 23500), (1175, 21680), (1355, 18800), (1880, 13550), (2000, 12737), (2168, 11750), (2350, 10840), (2710, 9400), (3760, 6775), (4336, 5875), (4700, 5420)]