4996000

素因数分解:

$2^5\times 5^3\times {\mathrm{1249}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 12285000

約数和(自身を除く): 7289000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 1249, 2000, 2498, 4000, 4996, 6245, 9992, 12490, 19984, 24980, 31225, 39968, 49960, 62450, 99920, 124900, 156125, 199840, 249800, 312250, 499600, 624500, 999200, 1249000, 2498000, 4996000]

約数ペア:

[(1, 4996000), (2, 2498000), (4, 1249000), (5, 999200), (8, 624500), (10, 499600), (16, 312250), (20, 249800), (25, 199840), (32, 156125), (40, 124900), (50, 99920), (80, 62450), (100, 49960), (125, 39968), (160, 31225), (200, 24980), (250, 19984), (400, 12490), (500, 9992), (800, 6245), (1000, 4996), (1249, 4000), (2000, 2498)]