16525000

素因数分解:

$2^3\times 5^5\times {\mathrm{661}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 38786580

約数和(自身を除く): 22261580

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 661, 1000, 1250, 1322, 2500, 2644, 3125, 3305, 5000, 5288, 6250, 6610, 12500, 13220, 16525, 25000, 26440, 33050, 66100, 82625, 132200, 165250, 330500, 413125, 661000, 826250, 1652500, 2065625, 3305000, 4131250, 8262500, 16525000]

約数ペア:

[(1, 16525000), (2, 8262500), (4, 4131250), (5, 3305000), (8, 2065625), (10, 1652500), (20, 826250), (25, 661000), (40, 413125), (50, 330500), (100, 165250), (125, 132200), (200, 82625), (250, 66100), (500, 33050), (625, 26440), (661, 25000), (1000, 16525), (1250, 13220), (1322, 12500), (2500, 6610), (2644, 6250), (3125, 5288), (3305, 5000)]