4092440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 10264320

約数和(自身を除く): 6171880

約数列:

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

約数ペア:

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