6610000

素因数分解:

$2^4\times 5^4\times {\mathrm{661}}^1$

素因数の和:689

約数の個数: 50

約数和(自身を含む): 16027682

約数和(自身を除く): 9417682

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 661, 1000, 1250, 1322, 2000, 2500, 2644, 3305, 5000, 5288, 6610, 10000, 10576, 13220, 16525, 26440, 33050, 52880, 66100, 82625, 132200, 165250, 264400, 330500, 413125, 661000, 826250, 1322000, 1652500, 3305000, 6610000]

約数ペア:

[(1, 6610000), (2, 3305000), (4, 1652500), (5, 1322000), (8, 826250), (10, 661000), (16, 413125), (20, 330500), (25, 264400), (40, 165250), (50, 132200), (80, 82625), (100, 66100), (125, 52880), (200, 33050), (250, 26440), (400, 16525), (500, 13220), (625, 10576), (661, 10000), (1000, 6610), (1250, 5288), (1322, 5000), (2000, 3305), (2500, 2644)]