87781060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{102071}}^1$

素因数の和:102123

約数の個数: 24

約数和(自身を含む): 188629056

約数和(自身を除く): 100847996

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 102071, 204142, 408284, 510355, 1020710, 2041420, 4389053, 8778106, 17556212, 21945265, 43890530, 87781060]

約数ペア:

[(1, 87781060), (2, 43890530), (4, 21945265), (5, 17556212), (10, 8778106), (20, 4389053), (43, 2041420), (86, 1020710), (172, 510355), (215, 408284), (430, 204142), (860, 102071)]