28643060

素因数分解:

$2^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1579}}^1$

素因数の和:2495

約数の個数: 24

約数和(自身を含む): 60254880

約数和(自身を除く): 31611820

約数列:

[1, 2, 4, 5, 10, 20, 907, 1579, 1814, 3158, 3628, 4535, 6316, 7895, 9070, 15790, 18140, 31580, 1432153, 2864306, 5728612, 7160765, 14321530, 28643060]

約数ペア:

[(1, 28643060), (2, 14321530), (4, 7160765), (5, 5728612), (10, 2864306), (20, 1432153), (907, 31580), (1579, 18140), (1814, 15790), (3158, 9070), (3628, 7895), (4535, 6316)]