24995000

素因数分解:

$2^3\times 5^4\times {\mathrm{4999}}^1$

素因数の和:5025

約数の個数: 40

約数和(自身を含む): 58575000

約数和(自身を除く): 33580000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 4999, 5000, 9998, 19996, 24995, 39992, 49990, 99980, 124975, 199960, 249950, 499900, 624875, 999800, 1249750, 2499500, 3124375, 4999000, 6248750, 12497500, 24995000]

約数ペア:

[(1, 24995000), (2, 12497500), (4, 6248750), (5, 4999000), (8, 3124375), (10, 2499500), (20, 1249750), (25, 999800), (40, 624875), (50, 499900), (100, 249950), (125, 199960), (200, 124975), (250, 99980), (500, 49990), (625, 39992), (1000, 24995), (1250, 19996), (2500, 9998), (4999, 5000)]