66762490

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{16649}}^1$

素因数の和:17057

約数の個数: 16

約数和(自身を含む): 120479400

約数和(自身を除く): 53716910

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 16649, 33298, 83245, 166490, 6676249, 13352498, 33381245, 66762490]

約数ペア:

[(1, 66762490), (2, 33381245), (5, 13352498), (10, 6676249), (401, 166490), (802, 83245), (2005, 33298), (4010, 16649)]