85885000

素因数分解:

$2^3\times 5^4\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 204543900

約数和(自身を除く): 118658900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 125, 178, 193, 200, 250, 356, 386, 445, 500, 625, 712, 772, 890, 965, 1000, 1250, 1544, 1780, 1930, 2225, 2500, 3560, 3860, 4450, 4825, 5000, 7720, 8900, 9650, 11125, 17177, 17800, 19300, 22250, 24125, 34354, 38600, 44500, 48250, 55625, 68708, 85885, 89000, 96500, 111250, 120625, 137416, 171770, 193000, 222500, 241250, 343540, 429425, 445000, 482500, 687080, 858850, 965000, 1717700, 2147125, 3435400, 4294250, 8588500, 10735625, 17177000, 21471250, 42942500, 85885000]

約数ペア:

[(1, 85885000), (2, 42942500), (4, 21471250), (5, 17177000), (8, 10735625), (10, 8588500), (20, 4294250), (25, 3435400), (40, 2147125), (50, 1717700), (89, 965000), (100, 858850), (125, 687080), (178, 482500), (193, 445000), (200, 429425), (250, 343540), (356, 241250), (386, 222500), (445, 193000), (500, 171770), (625, 137416), (712, 120625), (772, 111250), (890, 96500), (965, 89000), (1000, 85885), (1250, 68708), (1544, 55625), (1780, 48250), (1930, 44500), (2225, 38600), (2500, 34354), (3560, 24125), (3860, 22250), (4450, 19300), (4825, 17800), (5000, 17177), (7720, 11125), (8900, 9650)]