2132440

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{599}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 4860000

約数和(自身を除く): 2727560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 599, 712, 890, 1198, 1780, 2396, 2995, 3560, 4792, 5990, 11980, 23960, 53311, 106622, 213244, 266555, 426488, 533110, 1066220, 2132440]

約数ペア:

[(1, 2132440), (2, 1066220), (4, 533110), (5, 426488), (8, 266555), (10, 213244), (20, 106622), (40, 53311), (89, 23960), (178, 11980), (356, 5990), (445, 4792), (599, 3560), (712, 2995), (890, 2396), (1198, 1780)]