80342500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{4591}}^1$

素因数の和:4622

約数の個数: 60

約数和(自身を含む): 200835712

約数和(自身を除く): 120493212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1250, 1750, 2500, 3500, 4375, 4591, 8750, 9182, 17500, 18364, 22955, 32137, 45910, 64274, 91820, 114775, 128548, 160685, 229550, 321370, 459100, 573875, 642740, 803425, 1147750, 1606850, 2295500, 2869375, 3213700, 4017125, 5738750, 8034250, 11477500, 16068500, 20085625, 40171250, 80342500]

約数ペア:

[(1, 80342500), (2, 40171250), (4, 20085625), (5, 16068500), (7, 11477500), (10, 8034250), (14, 5738750), (20, 4017125), (25, 3213700), (28, 2869375), (35, 2295500), (50, 1606850), (70, 1147750), (100, 803425), (125, 642740), (140, 573875), (175, 459100), (250, 321370), (350, 229550), (500, 160685), (625, 128548), (700, 114775), (875, 91820), (1250, 64274), (1750, 45910), (2500, 32137), (3500, 22955), (4375, 18364), (4591, 17500), (8750, 9182)]