2087194640

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{135181}}^1$

素因数の和:135387

約数の個数: 40

約数和(自身を含む): 4877907288

約数和(自身を除く): 2790712648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 15440, 135181, 270362, 540724, 675905, 1081448, 1351810, 2162896, 2703620, 5407240, 10814480, 26089933, 52179866, 104359732, 130449665, 208719464, 260899330, 417438928, 521798660, 1043597320, 2087194640]

約数ペア:

[(1, 2087194640), (2, 1043597320), (4, 521798660), (5, 417438928), (8, 260899330), (10, 208719464), (16, 130449665), (20, 104359732), (40, 52179866), (80, 26089933), (193, 10814480), (386, 5407240), (772, 2703620), (965, 2162896), (1544, 1351810), (1930, 1081448), (3088, 675905), (3860, 540724), (7720, 270362), (15440, 135181)]