25600400

素因数分解:

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

素因数の和:289

約数の個数: 120

約数和(自身を含む): 72328704

約数和(自身を除く): 46728304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 41, 50, 56, 70, 80, 82, 100, 112, 140, 164, 175, 200, 205, 223, 280, 287, 328, 350, 400, 410, 446, 560, 574, 656, 700, 820, 892, 1025, 1115, 1148, 1400, 1435, 1561, 1640, 1784, 2050, 2230, 2296, 2800, 2870, 3122, 3280, 3568, 4100, 4460, 4592, 5575, 5740, 6244, 7175, 7805, 8200, 8920, 9143, 11150, 11480, 12488, 14350, 15610, 16400, 17840, 18286, 22300, 22960, 24976, 28700, 31220, 36572, 39025, 44600, 45715, 57400, 62440, 64001, 73144, 78050, 89200, 91430, 114800, 124880, 128002, 146288, 156100, 182860, 228575, 256004, 312200, 320005, 365720, 457150, 512008, 624400, 640010, 731440, 914300, 1024016, 1280020, 1600025, 1828600, 2560040, 3200050, 3657200, 5120080, 6400100, 12800200, 25600400]

約数ペア:

[(1, 25600400), (2, 12800200), (4, 6400100), (5, 5120080), (7, 3657200), (8, 3200050), (10, 2560040), (14, 1828600), (16, 1600025), (20, 1280020), (25, 1024016), (28, 914300), (35, 731440), (40, 640010), (41, 624400), (50, 512008), (56, 457150), (70, 365720), (80, 320005), (82, 312200), (100, 256004), (112, 228575), (140, 182860), (164, 156100), (175, 146288), (200, 128002), (205, 124880), (223, 114800), (280, 91430), (287, 89200), (328, 78050), (350, 73144), (400, 64001), (410, 62440), (446, 57400), (560, 45715), (574, 44600), (656, 39025), (700, 36572), (820, 31220), (892, 28700), (1025, 24976), (1115, 22960), (1148, 22300), (1400, 18286), (1435, 17840), (1561, 16400), (1640, 15610), (1784, 14350), (2050, 12488), (2230, 11480), (2296, 11150), (2800, 9143), (2870, 8920), (3122, 8200), (3280, 7805), (3568, 7175), (4100, 6244), (4460, 5740), (4592, 5575)]