51777880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16811}}^1$

素因数の和:16840

約数の個数: 64

約数和(自身を含む): 145255680

約数和(自身を除く): 93477800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 16811, 33622, 67244, 84055, 117677, 134488, 168110, 184921, 235354, 336220, 369842, 470708, 588385, 672440, 739684, 924605, 941416, 1176770, 1294447, 1479368, 1849210, 2353540, 2588894, 3698420, 4707080, 5177788, 6472235, 7396840, 10355576, 12944470, 25888940, 51777880]

約数ペア:

[(1, 51777880), (2, 25888940), (4, 12944470), (5, 10355576), (7, 7396840), (8, 6472235), (10, 5177788), (11, 4707080), (14, 3698420), (20, 2588894), (22, 2353540), (28, 1849210), (35, 1479368), (40, 1294447), (44, 1176770), (55, 941416), (56, 924605), (70, 739684), (77, 672440), (88, 588385), (110, 470708), (140, 369842), (154, 336220), (220, 235354), (280, 184921), (308, 168110), (385, 134488), (440, 117677), (616, 84055), (770, 67244), (1540, 33622), (3080, 16811)]