26779640

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1061}}^1$

素因数の和:1703

約数の個数: 32

約数和(自身を含む): 60406560

約数和(自身を除く): 33626920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1061, 1262, 2122, 2524, 3155, 4244, 5048, 5305, 6310, 8488, 10610, 12620, 21220, 25240, 42440, 669491, 1338982, 2677964, 3347455, 5355928, 6694910, 13389820, 26779640]

約数ペア:

[(1, 26779640), (2, 13389820), (4, 6694910), (5, 5355928), (8, 3347455), (10, 2677964), (20, 1338982), (40, 669491), (631, 42440), (1061, 25240), (1262, 21220), (2122, 12620), (2524, 10610), (3155, 8488), (4244, 6310), (5048, 5305)]