12866540

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1321}}^1$

素因数の和:1817

約数の個数: 24

約数和(自身を含む): 27095712

約数和(自身を除く): 14229172

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1321, 1948, 2435, 2642, 4870, 5284, 6605, 9740, 13210, 26420, 643327, 1286654, 2573308, 3216635, 6433270, 12866540]

約数ペア:

[(1, 12866540), (2, 6433270), (4, 3216635), (5, 2573308), (10, 1286654), (20, 643327), (487, 26420), (974, 13210), (1321, 9740), (1948, 6605), (2435, 5284), (2642, 4870)]