2080481621800

素因数分解:

$2^3\times 5^2\times {\mathrm{13691}}^1\times {\mathrm{759799}}^1$

素因数の和:773506

約数の個数: 48

約数和(自身を含む): 4837479444000

約数和(自身を除く): 2756997822200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 13691, 27382, 54764, 68455, 109528, 136910, 273820, 342275, 547640, 684550, 759799, 1369100, 1519598, 2738200, 3039196, 3798995, 6078392, 7597990, 15195980, 18994975, 30391960, 37989950, 75979900, 151959800, 10402408109, 20804816218, 41609632436, 52012040545, 83219264872, 104024081090, 208048162180, 260060202725, 416096324360, 520120405450, 1040240810900, 2080481621800]

約数ペア:

[(1, 2080481621800), (2, 1040240810900), (4, 520120405450), (5, 416096324360), (8, 260060202725), (10, 208048162180), (20, 104024081090), (25, 83219264872), (40, 52012040545), (50, 41609632436), (100, 20804816218), (200, 10402408109), (13691, 151959800), (27382, 75979900), (54764, 37989950), (68455, 30391960), (109528, 18994975), (136910, 15195980), (273820, 7597990), (342275, 6078392), (547640, 3798995), (684550, 3039196), (759799, 2738200), (1369100, 1519598)]