13286120

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1721}}^1$

素因数の和:1925

約数の個数: 32

約数和(自身を含む): 30066120

約数和(自身を除く): 16780000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1721, 1930, 3442, 3860, 6884, 7720, 8605, 13768, 17210, 34420, 68840, 332153, 664306, 1328612, 1660765, 2657224, 3321530, 6643060, 13286120]

約数ペア:

[(1, 13286120), (2, 6643060), (4, 3321530), (5, 2657224), (8, 1660765), (10, 1328612), (20, 664306), (40, 332153), (193, 68840), (386, 34420), (772, 17210), (965, 13768), (1544, 8605), (1721, 7720), (1930, 6884), (3442, 3860)]