39720508

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{229}}^1\times {\mathrm{421}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 70659680

約数和(自身を除く): 30939172

約数列:

[1, 2, 4, 103, 206, 229, 412, 421, 458, 842, 916, 1684, 23587, 43363, 47174, 86726, 94348, 96409, 173452, 192818, 385636, 9930127, 19860254, 39720508]

約数ペア:

[(1, 39720508), (2, 19860254), (4, 9930127), (103, 385636), (206, 192818), (229, 173452), (412, 96409), (421, 94348), (458, 86726), (842, 47174), (916, 43363), (1684, 23587)]