12800200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 34997760

約数和(自身を除く): 22197560

約数列:

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

約数ペア:

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