20161405120

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{453269}}^1$

素因数の和:453425

約数の個数: 56

約数和(自身を含む): 48354843600

約数和(自身を除く): 28193438480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 695, 1112, 1390, 2224, 2780, 4448, 5560, 8896, 11120, 22240, 44480, 453269, 906538, 1813076, 2266345, 3626152, 4532690, 7252304, 9065380, 14504608, 18130760, 29009216, 36261520, 63004391, 72523040, 126008782, 145046080, 252017564, 315021955, 504035128, 630043910, 1008070256, 1260087820, 2016140512, 2520175640, 4032281024, 5040351280, 10080702560, 20161405120]

約数ペア:

[(1, 20161405120), (2, 10080702560), (4, 5040351280), (5, 4032281024), (8, 2520175640), (10, 2016140512), (16, 1260087820), (20, 1008070256), (32, 630043910), (40, 504035128), (64, 315021955), (80, 252017564), (139, 145046080), (160, 126008782), (278, 72523040), (320, 63004391), (556, 36261520), (695, 29009216), (1112, 18130760), (1390, 14504608), (2224, 9065380), (2780, 7252304), (4448, 4532690), (5560, 3626152), (8896, 2266345), (11120, 1813076), (22240, 906538), (44480, 453269)]