13999000

素因数分解:

$2^3\times 5^3\times {\mathrm{13999}}^1$

素因数の和:14020

約数の個数: 32

約数和(自身を含む): 32760000

約数和(自身を除く): 18761000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 13999, 27998, 55996, 69995, 111992, 139990, 279980, 349975, 559960, 699950, 1399900, 1749875, 2799800, 3499750, 6999500, 13999000]

約数ペア:

[(1, 13999000), (2, 6999500), (4, 3499750), (5, 2799800), (8, 1749875), (10, 1399900), (20, 699950), (25, 559960), (40, 349975), (50, 279980), (100, 139990), (125, 111992), (200, 69995), (250, 55996), (500, 27998), (1000, 13999)]