2690888440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1269287}}^1$

素因数の和:1269351

約数の個数: 32

約数和(自身を含む): 6168739680

約数和(自身を除く): 3477851240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 1269287, 2538574, 5077148, 6346435, 10154296, 12692870, 25385740, 50771480, 67272211, 134544422, 269088844, 336361055, 538177688, 672722110, 1345444220, 2690888440]

約数ペア:

[(1, 2690888440), (2, 1345444220), (4, 672722110), (5, 538177688), (8, 336361055), (10, 269088844), (20, 134544422), (40, 67272211), (53, 50771480), (106, 25385740), (212, 12692870), (265, 10154296), (424, 6346435), (530, 5077148), (1060, 2538574), (2120, 1269287)]