2104990000

素因数分解:

$2^4\times 5^4\times {\mathrm{210499}}^1$

素因数の和:210527

約数の個数: 50

約数和(自身を含む): 5096415500

約数和(自身を除く): 2991425500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 10000, 210499, 420998, 841996, 1052495, 1683992, 2104990, 3367984, 4209980, 5262475, 8419960, 10524950, 16839920, 21049900, 26312375, 42099800, 52624750, 84199600, 105249500, 131561875, 210499000, 263123750, 420998000, 526247500, 1052495000, 2104990000]

約数ペア:

[(1, 2104990000), (2, 1052495000), (4, 526247500), (5, 420998000), (8, 263123750), (10, 210499000), (16, 131561875), (20, 105249500), (25, 84199600), (40, 52624750), (50, 42099800), (80, 26312375), (100, 21049900), (125, 16839920), (200, 10524950), (250, 8419960), (400, 5262475), (500, 4209980), (625, 3367984), (1000, 2104990), (1250, 1683992), (2000, 1052495), (2500, 841996), (5000, 420998), (10000, 210499)]