129725440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1949}}^1$

素因数の和:1987

約数の個数: 88

約数和(自身を含む): 335298600

約数和(自身を除く): 205573160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1024, 1040, 1280, 1664, 1949, 2080, 2560, 3328, 3898, 4160, 5120, 6656, 7796, 8320, 9745, 13312, 15592, 16640, 19490, 25337, 31184, 33280, 38980, 50674, 62368, 66560, 77960, 101348, 124736, 126685, 155920, 202696, 249472, 253370, 311840, 405392, 498944, 506740, 623680, 810784, 997888, 1013480, 1247360, 1621568, 1995776, 2026960, 2494720, 3243136, 4053920, 4989440, 6486272, 8107840, 9978880, 12972544, 16215680, 25945088, 32431360, 64862720, 129725440]

約数ペア:

[(1, 129725440), (2, 64862720), (4, 32431360), (5, 25945088), (8, 16215680), (10, 12972544), (13, 9978880), (16, 8107840), (20, 6486272), (26, 4989440), (32, 4053920), (40, 3243136), (52, 2494720), (64, 2026960), (65, 1995776), (80, 1621568), (104, 1247360), (128, 1013480), (130, 997888), (160, 810784), (208, 623680), (256, 506740), (260, 498944), (320, 405392), (416, 311840), (512, 253370), (520, 249472), (640, 202696), (832, 155920), (1024, 126685), (1040, 124736), (1280, 101348), (1664, 77960), (1949, 66560), (2080, 62368), (2560, 50674), (3328, 38980), (3898, 33280), (4160, 31184), (5120, 25337), (6656, 19490), (7796, 16640), (8320, 15592), (9745, 13312)]