26986000

素因数分解:

$2^4\times 5^3\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 80

約数和(自身を含む): 66388608

約数和(自身を除く): 39402608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 103, 125, 131, 200, 206, 250, 262, 400, 412, 500, 515, 524, 655, 824, 1000, 1030, 1048, 1310, 1648, 2000, 2060, 2096, 2575, 2620, 3275, 4120, 5150, 5240, 6550, 8240, 10300, 10480, 12875, 13100, 13493, 16375, 20600, 25750, 26200, 26986, 32750, 41200, 51500, 52400, 53972, 65500, 67465, 103000, 107944, 131000, 134930, 206000, 215888, 262000, 269860, 337325, 539720, 674650, 1079440, 1349300, 1686625, 2698600, 3373250, 5397200, 6746500, 13493000, 26986000]

約数ペア:

[(1, 26986000), (2, 13493000), (4, 6746500), (5, 5397200), (8, 3373250), (10, 2698600), (16, 1686625), (20, 1349300), (25, 1079440), (40, 674650), (50, 539720), (80, 337325), (100, 269860), (103, 262000), (125, 215888), (131, 206000), (200, 134930), (206, 131000), (250, 107944), (262, 103000), (400, 67465), (412, 65500), (500, 53972), (515, 52400), (524, 51500), (655, 41200), (824, 32750), (1000, 26986), (1030, 26200), (1048, 25750), (1310, 20600), (1648, 16375), (2000, 13493), (2060, 13100), (2096, 12875), (2575, 10480), (2620, 10300), (3275, 8240), (4120, 6550), (5150, 5240)]