68785460

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{33391}}^1$

素因数の和:33503

約数の個数: 24

約数和(自身を含む): 145856256

約数和(自身を除く): 77070796

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 33391, 66782, 133564, 166955, 333910, 667820, 3439273, 6878546, 13757092, 17196365, 34392730, 68785460]

約数ペア:

[(1, 68785460), (2, 34392730), (4, 17196365), (5, 13757092), (10, 6878546), (20, 3439273), (103, 667820), (206, 333910), (412, 166955), (515, 133564), (1030, 66782), (2060, 33391)]