164070020

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{36787}}^1$

素因数の和:37019

約数の個数: 24

約数和(自身を含む): 346101504

約数和(自身を除く): 182031484

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 36787, 73574, 147148, 183935, 367870, 735740, 8203501, 16407002, 32814004, 41017505, 82035010, 164070020]

約数ペア:

[(1, 164070020), (2, 82035010), (4, 41017505), (5, 32814004), (10, 16407002), (20, 8203501), (223, 735740), (446, 367870), (892, 183935), (1115, 147148), (2230, 73574), (4460, 36787)]