80005128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 245203200

約数和(自身を除く): 165198072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 109, 119, 136, 168, 204, 218, 238, 257, 327, 357, 408, 436, 476, 514, 654, 714, 763, 771, 872, 952, 1028, 1308, 1428, 1526, 1542, 1799, 1853, 2056, 2289, 2616, 2856, 3052, 3084, 3598, 3706, 4369, 4578, 5397, 5559, 6104, 6168, 7196, 7412, 8738, 9156, 10794, 11118, 12971, 13107, 14392, 14824, 17476, 18312, 21588, 22236, 25942, 26214, 28013, 30583, 34952, 38913, 43176, 44472, 51884, 52428, 56026, 61166, 77826, 84039, 91749, 103768, 104856, 112052, 122332, 155652, 168078, 183498, 196091, 224104, 244664, 311304, 336156, 366996, 392182, 476221, 588273, 672312, 733992, 784364, 952442, 1176546, 1428663, 1568728, 1904884, 2353092, 2857326, 3333547, 3809768, 4706184, 5714652, 6667094, 10000641, 11429304, 13334188, 20001282, 26668376, 40002564, 80005128]

約数ペア:

[(1, 80005128), (2, 40002564), (3, 26668376), (4, 20001282), (6, 13334188), (7, 11429304), (8, 10000641), (12, 6667094), (14, 5714652), (17, 4706184), (21, 3809768), (24, 3333547), (28, 2857326), (34, 2353092), (42, 1904884), (51, 1568728), (56, 1428663), (68, 1176546), (84, 952442), (102, 784364), (109, 733992), (119, 672312), (136, 588273), (168, 476221), (204, 392182), (218, 366996), (238, 336156), (257, 311304), (327, 244664), (357, 224104), (408, 196091), (436, 183498), (476, 168078), (514, 155652), (654, 122332), (714, 112052), (763, 104856), (771, 103768), (872, 91749), (952, 84039), (1028, 77826), (1308, 61166), (1428, 56026), (1526, 52428), (1542, 51884), (1799, 44472), (1853, 43176), (2056, 38913), (2289, 34952), (2616, 30583), (2856, 28013), (3052, 26214), (3084, 25942), (3598, 22236), (3706, 21588), (4369, 18312), (4578, 17476), (5397, 14824), (5559, 14392), (6104, 13107), (6168, 12971), (7196, 11118), (7412, 10794), (8738, 9156)]