66520340

素因数分解:

$2^2\times 5^1\times {\mathrm{857}}^1\times {\mathrm{3881}}^1$

素因数の和:4747

約数の個数: 24

約数和(自身を含む): 139891752

約数和(自身を除く): 73371412

約数列:

[1, 2, 4, 5, 10, 20, 857, 1714, 3428, 3881, 4285, 7762, 8570, 15524, 17140, 19405, 38810, 77620, 3326017, 6652034, 13304068, 16630085, 33260170, 66520340]

約数ペア:

[(1, 66520340), (2, 33260170), (4, 16630085), (5, 13304068), (10, 6652034), (20, 3326017), (857, 77620), (1714, 38810), (3428, 19405), (3881, 17140), (4285, 15524), (7762, 8570)]