26307800

素因数分解:

$2^3\times 5^2\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 61566000

約数和(自身を除く): 35258200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 199, 200, 398, 661, 796, 995, 1322, 1592, 1990, 2644, 3305, 3980, 4975, 5288, 6610, 7960, 9950, 13220, 16525, 19900, 26440, 33050, 39800, 66100, 131539, 132200, 263078, 526156, 657695, 1052312, 1315390, 2630780, 3288475, 5261560, 6576950, 13153900, 26307800]

約数ペア:

[(1, 26307800), (2, 13153900), (4, 6576950), (5, 5261560), (8, 3288475), (10, 2630780), (20, 1315390), (25, 1052312), (40, 657695), (50, 526156), (100, 263078), (199, 132200), (200, 131539), (398, 66100), (661, 39800), (796, 33050), (995, 26440), (1322, 19900), (1592, 16525), (1990, 13220), (2644, 9950), (3305, 7960), (3980, 6610), (4975, 5288)]