56397880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18311}}^1$

素因数の和:18340

約数の個数: 64

約数和(自身を含む): 158215680

約数和(自身を除く): 101817800

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, 18311, 36622, 73244, 91555, 128177, 146488, 183110, 201421, 256354, 366220, 402842, 512708, 640885, 732440, 805684, 1007105, 1025416, 1281770, 1409947, 1611368, 2014210, 2563540, 2819894, 4028420, 5127080, 5639788, 7049735, 8056840, 11279576, 14099470, 28198940, 56397880]

約数ペア:

[(1, 56397880), (2, 28198940), (4, 14099470), (5, 11279576), (7, 8056840), (8, 7049735), (10, 5639788), (11, 5127080), (14, 4028420), (20, 2819894), (22, 2563540), (28, 2014210), (35, 1611368), (40, 1409947), (44, 1281770), (55, 1025416), (56, 1007105), (70, 805684), (77, 732440), (88, 640885), (110, 512708), (140, 402842), (154, 366220), (220, 256354), (280, 201421), (308, 183110), (385, 146488), (440, 128177), (616, 91555), (770, 73244), (1540, 36622), (3080, 18311)]