4239920

素因数分解:

$2^4\times 5^1\times {\mathrm{52999}}^1$

素因数の和:53012

約数の個数: 20

約数和(自身を含む): 9858000

約数和(自身を除く): 5618080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 52999, 105998, 211996, 264995, 423992, 529990, 847984, 1059980, 2119960, 4239920]

約数ペア:

[(1, 4239920), (2, 2119960), (4, 1059980), (5, 847984), (8, 529990), (10, 423992), (16, 264995), (20, 211996), (40, 105998), (80, 52999)]