2047000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:133

約数の個数: 64

約数和(自身を含む): 5054400

約数和(自身を除く): 3007400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 89, 92, 100, 115, 125, 178, 184, 200, 230, 250, 356, 445, 460, 500, 575, 712, 890, 920, 1000, 1150, 1780, 2047, 2225, 2300, 2875, 3560, 4094, 4450, 4600, 5750, 8188, 8900, 10235, 11125, 11500, 16376, 17800, 20470, 22250, 23000, 40940, 44500, 51175, 81880, 89000, 102350, 204700, 255875, 409400, 511750, 1023500, 2047000]

約数ペア:

[(1, 2047000), (2, 1023500), (4, 511750), (5, 409400), (8, 255875), (10, 204700), (20, 102350), (23, 89000), (25, 81880), (40, 51175), (46, 44500), (50, 40940), (89, 23000), (92, 22250), (100, 20470), (115, 17800), (125, 16376), (178, 11500), (184, 11125), (200, 10235), (230, 8900), (250, 8188), (356, 5750), (445, 4600), (460, 4450), (500, 4094), (575, 3560), (712, 2875), (890, 2300), (920, 2225), (1000, 2047), (1150, 1780)]