67853980

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{10909}}^1$

素因数の和:11229

約数の個数: 24

約数和(自身を含む): 142964640

約数和(自身を除く): 75110660

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 10909, 21818, 43636, 54545, 109090, 218180, 3392699, 6785398, 13570796, 16963495, 33926990, 67853980]

約数ペア:

[(1, 67853980), (2, 33926990), (4, 16963495), (5, 13570796), (10, 6785398), (20, 3392699), (311, 218180), (622, 109090), (1244, 54545), (1555, 43636), (3110, 21818), (6220, 10909)]