26490880

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 68796000

約数和(自身を除く): 42305120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 199, 208, 256, 260, 320, 398, 416, 512, 520, 640, 796, 832, 995, 1024, 1040, 1280, 1592, 1664, 1990, 2048, 2080, 2560, 2587, 3184, 3328, 3980, 4160, 5120, 5174, 6368, 6656, 7960, 8320, 10240, 10348, 12736, 12935, 13312, 15920, 16640, 20696, 25472, 25870, 26624, 31840, 33280, 41392, 50944, 51740, 63680, 66560, 82784, 101888, 103480, 127360, 133120, 165568, 203776, 206960, 254720, 331136, 407552, 413920, 509440, 662272, 827840, 1018880, 1324544, 1655680, 2037760, 2649088, 3311360, 5298176, 6622720, 13245440, 26490880]

約数ペア:

[(1, 26490880), (2, 13245440), (4, 6622720), (5, 5298176), (8, 3311360), (10, 2649088), (13, 2037760), (16, 1655680), (20, 1324544), (26, 1018880), (32, 827840), (40, 662272), (52, 509440), (64, 413920), (65, 407552), (80, 331136), (104, 254720), (128, 206960), (130, 203776), (160, 165568), (199, 133120), (208, 127360), (256, 103480), (260, 101888), (320, 82784), (398, 66560), (416, 63680), (512, 51740), (520, 50944), (640, 41392), (796, 33280), (832, 31840), (995, 26624), (1024, 25870), (1040, 25472), (1280, 20696), (1592, 16640), (1664, 15920), (1990, 13312), (2048, 12935), (2080, 12736), (2560, 10348), (2587, 10240), (3184, 8320), (3328, 7960), (3980, 6656), (4160, 6368), (5120, 5174)]