13245440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:237

約数の個数: 88

約数和(自身を含む): 34389600

約数和(自身を除く): 21144160

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, 2080, 2560, 2587, 3184, 3328, 3980, 4160, 5120, 5174, 6368, 6656, 7960, 8320, 10348, 12736, 12935, 13312, 15920, 16640, 20696, 25472, 25870, 31840, 33280, 41392, 50944, 51740, 63680, 66560, 82784, 101888, 103480, 127360, 165568, 203776, 206960, 254720, 331136, 413920, 509440, 662272, 827840, 1018880, 1324544, 1655680, 2649088, 3311360, 6622720, 13245440]

約数ペア:

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