26859640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21661}}^1$

素因数の和:21703

約数の個数: 32

約数和(自身を含む): 62386560

約数和(自身を除く): 35526920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 21661, 43322, 86644, 108305, 173288, 216610, 433220, 671491, 866440, 1342982, 2685964, 3357455, 5371928, 6714910, 13429820, 26859640]

約数ペア:

[(1, 26859640), (2, 13429820), (4, 6714910), (5, 5371928), (8, 3357455), (10, 2685964), (20, 1342982), (31, 866440), (40, 671491), (62, 433220), (124, 216610), (155, 173288), (248, 108305), (310, 86644), (620, 43322), (1240, 21661)]