25888940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16811}}^1$

素因数の和:16838

約数の個数: 48

約数和(自身を含む): 67785984

約数和(自身を除く): 41897044

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 16811, 33622, 67244, 84055, 117677, 168110, 184921, 235354, 336220, 369842, 470708, 588385, 739684, 924605, 1176770, 1294447, 1849210, 2353540, 2588894, 3698420, 5177788, 6472235, 12944470, 25888940]

約数ペア:

[(1, 25888940), (2, 12944470), (4, 6472235), (5, 5177788), (7, 3698420), (10, 2588894), (11, 2353540), (14, 1849210), (20, 1294447), (22, 1176770), (28, 924605), (35, 739684), (44, 588385), (55, 470708), (70, 369842), (77, 336220), (110, 235354), (140, 184921), (154, 168110), (220, 117677), (308, 84055), (385, 67244), (770, 33622), (1540, 16811)]