8184880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 21212928

約数和(自身を除く): 13028048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 131, 142, 176, 220, 262, 284, 355, 440, 524, 568, 655, 710, 781, 880, 1048, 1136, 1310, 1420, 1441, 1562, 2096, 2620, 2840, 2882, 3124, 3905, 5240, 5680, 5764, 6248, 7205, 7810, 9301, 10480, 11528, 12496, 14410, 15620, 18602, 23056, 28820, 31240, 37204, 46505, 57640, 62480, 74408, 93010, 102311, 115280, 148816, 186020, 204622, 372040, 409244, 511555, 744080, 818488, 1023110, 1636976, 2046220, 4092440, 8184880]

約数ペア:

[(1, 8184880), (2, 4092440), (4, 2046220), (5, 1636976), (8, 1023110), (10, 818488), (11, 744080), (16, 511555), (20, 409244), (22, 372040), (40, 204622), (44, 186020), (55, 148816), (71, 115280), (80, 102311), (88, 93010), (110, 74408), (131, 62480), (142, 57640), (176, 46505), (220, 37204), (262, 31240), (284, 28820), (355, 23056), (440, 18602), (524, 15620), (568, 14410), (655, 12496), (710, 11528), (781, 10480), (880, 9301), (1048, 7810), (1136, 7205), (1310, 6248), (1420, 5764), (1441, 5680), (1562, 5240), (2096, 3905), (2620, 3124), (2840, 2882)]