8259640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6661}}^1$

素因数の和:6703

約数の個数: 32

約数和(自身を含む): 19186560

約数和(自身を除く): 10926920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 6661, 13322, 26644, 33305, 53288, 66610, 133220, 206491, 266440, 412982, 825964, 1032455, 1651928, 2064910, 4129820, 8259640]

約数ペア:

[(1, 8259640), (2, 4129820), (4, 2064910), (5, 1651928), (8, 1032455), (10, 825964), (20, 412982), (31, 266440), (40, 206491), (62, 133220), (124, 66610), (155, 53288), (248, 33305), (310, 26644), (620, 13322), (1240, 6661)]