266607400

素因数分解:

$2^3\times 5^2\times {\mathrm{1039}}^1\times {\mathrm{1283}}^1$

素因数の和:2338

約数の個数: 48

約数和(自身を含む): 620942400

約数和(自身を除く): 354335000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1039, 1283, 2078, 2566, 4156, 5132, 5195, 6415, 8312, 10264, 10390, 12830, 20780, 25660, 25975, 32075, 41560, 51320, 51950, 64150, 103900, 128300, 207800, 256600, 1333037, 2666074, 5332148, 6665185, 10664296, 13330370, 26660740, 33325925, 53321480, 66651850, 133303700, 266607400]

約数ペア:

[(1, 266607400), (2, 133303700), (4, 66651850), (5, 53321480), (8, 33325925), (10, 26660740), (20, 13330370), (25, 10664296), (40, 6665185), (50, 5332148), (100, 2666074), (200, 1333037), (1039, 256600), (1283, 207800), (2078, 128300), (2566, 103900), (4156, 64150), (5132, 51950), (5195, 51320), (6415, 41560), (8312, 32075), (10264, 25975), (10390, 25660), (12830, 20780)]