67642780

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{9421}}^1$

素因数の和:9789

約数の個数: 24

約数和(自身を含む): 142460640

約数和(自身を除く): 74817860

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 7180, 9421, 18842, 37684, 47105, 94210, 188420, 3382139, 6764278, 13528556, 16910695, 33821390, 67642780]

約数ペア:

[(1, 67642780), (2, 33821390), (4, 16910695), (5, 13528556), (10, 6764278), (20, 3382139), (359, 188420), (718, 94210), (1436, 47105), (1795, 37684), (3590, 18842), (7180, 9421)]