12764890

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3121}}^1$

素因数の和:3537

約数の個数: 16

約数和(自身を含む): 23040360

約数和(自身を除く): 10275470

約数列:

[1, 2, 5, 10, 409, 818, 2045, 3121, 4090, 6242, 15605, 31210, 1276489, 2552978, 6382445, 12764890]

約数ペア:

[(1, 12764890), (2, 6382445), (5, 2552978), (10, 1276489), (409, 31210), (818, 15605), (2045, 6242), (3121, 4090)]