26398000

素因数分解:

$2^4\times 5^3\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 80

約数和(自身を含む): 65111904

約数和(自身を除く): 38713904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 67, 80, 100, 125, 134, 197, 200, 250, 268, 335, 394, 400, 500, 536, 670, 788, 985, 1000, 1072, 1340, 1576, 1675, 1970, 2000, 2680, 3152, 3350, 3940, 4925, 5360, 6700, 7880, 8375, 9850, 13199, 13400, 15760, 16750, 19700, 24625, 26398, 26800, 33500, 39400, 49250, 52796, 65995, 67000, 78800, 98500, 105592, 131990, 134000, 197000, 211184, 263980, 329975, 394000, 527960, 659950, 1055920, 1319900, 1649875, 2639800, 3299750, 5279600, 6599500, 13199000, 26398000]

約数ペア:

[(1, 26398000), (2, 13199000), (4, 6599500), (5, 5279600), (8, 3299750), (10, 2639800), (16, 1649875), (20, 1319900), (25, 1055920), (40, 659950), (50, 527960), (67, 394000), (80, 329975), (100, 263980), (125, 211184), (134, 197000), (197, 134000), (200, 131990), (250, 105592), (268, 98500), (335, 78800), (394, 67000), (400, 65995), (500, 52796), (536, 49250), (670, 39400), (788, 33500), (985, 26800), (1000, 26398), (1072, 24625), (1340, 19700), (1576, 16750), (1675, 15760), (1970, 13400), (2000, 13199), (2680, 9850), (3152, 8375), (3350, 7880), (3940, 6700), (4925, 5360)]