1315640

素因数分解:

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

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 3058560

約数和(自身を除く): 1742920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1061, 1240, 2122, 4244, 5305, 8488, 10610, 21220, 32891, 42440, 65782, 131564, 164455, 263128, 328910, 657820, 1315640]

約数ペア:

[(1, 1315640), (2, 657820), (4, 328910), (5, 263128), (8, 164455), (10, 131564), (20, 65782), (31, 42440), (40, 32891), (62, 21220), (124, 10610), (155, 8488), (248, 5305), (310, 4244), (620, 2122), (1061, 1240)]