2499500

素因数分解:

$2^2\times 5^3\times {\mathrm{4999}}^1$

素因数の和:5018

約数の個数: 24

約数和(自身を含む): 5460000

約数和(自身を除く): 2960500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 4999, 9998, 19996, 24995, 49990, 99980, 124975, 249950, 499900, 624875, 1249750, 2499500]

約数ペア:

[(1, 2499500), (2, 1249750), (4, 624875), (5, 499900), (10, 249950), (20, 124975), (25, 99980), (50, 49990), (100, 24995), (125, 19996), (250, 9998), (500, 4999)]