38080640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 102816000

約数和(自身を除く): 64735360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 184, 199, 208, 230, 260, 299, 320, 368, 398, 416, 460, 520, 598, 640, 736, 796, 832, 920, 995, 1040, 1196, 1472, 1495, 1592, 1664, 1840, 1990, 2080, 2392, 2587, 2944, 2990, 3184, 3680, 3980, 4160, 4577, 4784, 5174, 5980, 6368, 7360, 7960, 8320, 9154, 9568, 10348, 11960, 12736, 12935, 14720, 15920, 18308, 19136, 20696, 22885, 23920, 25472, 25870, 31840, 36616, 38272, 41392, 45770, 47840, 51740, 59501, 63680, 73232, 82784, 91540, 95680, 103480, 119002, 127360, 146464, 165568, 183080, 191360, 206960, 238004, 292928, 297505, 331136, 366160, 413920, 476008, 585856, 595010, 732320, 827840, 952016, 1190020, 1464640, 1655680, 1904032, 2380040, 2929280, 3808064, 4760080, 7616128, 9520160, 19040320, 38080640]

約数ペア:

[(1, 38080640), (2, 19040320), (4, 9520160), (5, 7616128), (8, 4760080), (10, 3808064), (13, 2929280), (16, 2380040), (20, 1904032), (23, 1655680), (26, 1464640), (32, 1190020), (40, 952016), (46, 827840), (52, 732320), (64, 595010), (65, 585856), (80, 476008), (92, 413920), (104, 366160), (115, 331136), (128, 297505), (130, 292928), (160, 238004), (184, 206960), (199, 191360), (208, 183080), (230, 165568), (260, 146464), (299, 127360), (320, 119002), (368, 103480), (398, 95680), (416, 91540), (460, 82784), (520, 73232), (598, 63680), (640, 59501), (736, 51740), (796, 47840), (832, 45770), (920, 41392), (995, 38272), (1040, 36616), (1196, 31840), (1472, 25870), (1495, 25472), (1592, 23920), (1664, 22885), (1840, 20696), (1990, 19136), (2080, 18308), (2392, 15920), (2587, 14720), (2944, 12935), (2990, 12736), (3184, 11960), (3680, 10348), (3980, 9568), (4160, 9154), (4577, 8320), (4784, 7960), (5174, 7360), (5980, 6368)]