54139640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43661}}^1$

素因数の和:43703

約数の個数: 32

約数和(自身を含む): 125746560

約数和(自身を除く): 71606920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 43661, 87322, 174644, 218305, 349288, 436610, 873220, 1353491, 1746440, 2706982, 5413964, 6767455, 10827928, 13534910, 27069820, 54139640]

約数ペア:

[(1, 54139640), (2, 27069820), (4, 13534910), (5, 10827928), (8, 6767455), (10, 5413964), (20, 2706982), (31, 1746440), (40, 1353491), (62, 873220), (124, 436610), (155, 349288), (248, 218305), (310, 174644), (620, 87322), (1240, 43661)]