4997500

素因数分解:

$2^2\times 5^4\times {\mathrm{1999}}^1$

素因数の和:2023

約数の個数: 30

約数和(自身を含む): 10934000

約数和(自身を除く): 5936500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 1999, 2500, 3998, 7996, 9995, 19990, 39980, 49975, 99950, 199900, 249875, 499750, 999500, 1249375, 2498750, 4997500]

約数ペア:

[(1, 4997500), (2, 2498750), (4, 1249375), (5, 999500), (10, 499750), (20, 249875), (25, 199900), (50, 99950), (100, 49975), (125, 39980), (250, 19990), (500, 9995), (625, 7996), (1250, 3998), (1999, 2500)]