2665840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:769

約数の個数: 40

約数和(自身を含む): 6338880

約数和(自身を除く): 3673040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 709, 752, 940, 1418, 1880, 2836, 3545, 3760, 5672, 7090, 11344, 14180, 28360, 33323, 56720, 66646, 133292, 166615, 266584, 333230, 533168, 666460, 1332920, 2665840]

約数ペア:

[(1, 2665840), (2, 1332920), (4, 666460), (5, 533168), (8, 333230), (10, 266584), (16, 166615), (20, 133292), (40, 66646), (47, 56720), (80, 33323), (94, 28360), (188, 14180), (235, 11344), (376, 7090), (470, 5672), (709, 3760), (752, 3545), (940, 2836), (1418, 1880)]