40784840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1061}}^1$

素因数の和:1134

約数の個数: 48

約数和(自身を含む): 94910940

約数和(自身を除く): 54126100

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1061, 1240, 1922, 2122, 3844, 4244, 4805, 5305, 7688, 8488, 9610, 10610, 19220, 21220, 32891, 38440, 42440, 65782, 131564, 164455, 263128, 328910, 657820, 1019621, 1315640, 2039242, 4078484, 5098105, 8156968, 10196210, 20392420, 40784840]

約数ペア:

[(1, 40784840), (2, 20392420), (4, 10196210), (5, 8156968), (8, 5098105), (10, 4078484), (20, 2039242), (31, 1315640), (40, 1019621), (62, 657820), (124, 328910), (155, 263128), (248, 164455), (310, 131564), (620, 65782), (961, 42440), (1061, 38440), (1240, 32891), (1922, 21220), (2122, 19220), (3844, 10610), (4244, 9610), (4805, 8488), (5305, 7688)]