5120080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 13999104

約数和(自身を除く): 8879024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 223, 280, 287, 328, 410, 446, 560, 574, 656, 820, 892, 1115, 1148, 1435, 1561, 1640, 1784, 2230, 2296, 2870, 3122, 3280, 3568, 4460, 4592, 5740, 6244, 7805, 8920, 9143, 11480, 12488, 15610, 17840, 18286, 22960, 24976, 31220, 36572, 45715, 62440, 64001, 73144, 91430, 124880, 128002, 146288, 182860, 256004, 320005, 365720, 512008, 640010, 731440, 1024016, 1280020, 2560040, 5120080]

約数ペア:

[(1, 5120080), (2, 2560040), (4, 1280020), (5, 1024016), (7, 731440), (8, 640010), (10, 512008), (14, 365720), (16, 320005), (20, 256004), (28, 182860), (35, 146288), (40, 128002), (41, 124880), (56, 91430), (70, 73144), (80, 64001), (82, 62440), (112, 45715), (140, 36572), (164, 31220), (205, 24976), (223, 22960), (280, 18286), (287, 17840), (328, 15610), (410, 12488), (446, 11480), (560, 9143), (574, 8920), (656, 7805), (820, 6244), (892, 5740), (1115, 4592), (1148, 4460), (1435, 3568), (1561, 3280), (1640, 3122), (1784, 2870), (2230, 2296)]