68544440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 158146560

約数和(自身を除く): 89602120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 127, 131, 206, 254, 262, 412, 508, 515, 524, 635, 655, 824, 1016, 1030, 1048, 1270, 1310, 2060, 2540, 2620, 4120, 5080, 5240, 13081, 13493, 16637, 26162, 26986, 33274, 52324, 53972, 65405, 66548, 67465, 83185, 104648, 107944, 130810, 133096, 134930, 166370, 261620, 269860, 332740, 523240, 539720, 665480, 1713611, 3427222, 6854444, 8568055, 13708888, 17136110, 34272220, 68544440]

約数ペア:

[(1, 68544440), (2, 34272220), (4, 17136110), (5, 13708888), (8, 8568055), (10, 6854444), (20, 3427222), (40, 1713611), (103, 665480), (127, 539720), (131, 523240), (206, 332740), (254, 269860), (262, 261620), (412, 166370), (508, 134930), (515, 133096), (524, 130810), (635, 107944), (655, 104648), (824, 83185), (1016, 67465), (1030, 66548), (1048, 65405), (1270, 53972), (1310, 52324), (2060, 33274), (2540, 26986), (2620, 26162), (4120, 16637), (5080, 13493), (5240, 13081)]