25745000

素因数分解:

$2^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 63729600

約数和(自身を除く): 37984600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 271, 380, 475, 500, 542, 625, 760, 950, 1000, 1084, 1250, 1355, 1900, 2168, 2375, 2500, 2710, 3800, 4750, 5000, 5149, 5420, 6775, 9500, 10298, 10840, 11875, 13550, 19000, 20596, 23750, 25745, 27100, 33875, 41192, 47500, 51490, 54200, 67750, 95000, 102980, 128725, 135500, 169375, 205960, 257450, 271000, 338750, 514900, 643625, 677500, 1029800, 1287250, 1355000, 2574500, 3218125, 5149000, 6436250, 12872500, 25745000]

約数ペア:

[(1, 25745000), (2, 12872500), (4, 6436250), (5, 5149000), (8, 3218125), (10, 2574500), (19, 1355000), (20, 1287250), (25, 1029800), (38, 677500), (40, 643625), (50, 514900), (76, 338750), (95, 271000), (100, 257450), (125, 205960), (152, 169375), (190, 135500), (200, 128725), (250, 102980), (271, 95000), (380, 67750), (475, 54200), (500, 51490), (542, 47500), (625, 41192), (760, 33875), (950, 27100), (1000, 25745), (1084, 23750), (1250, 20596), (1355, 19000), (1900, 13550), (2168, 11875), (2375, 10840), (2500, 10298), (2710, 9500), (3800, 6775), (4750, 5420), (5000, 5149)]