29257780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{13421}}^1$

素因数の和:13539

約数の個数: 24

約数和(自身を含む): 62009640

約数和(自身を除く): 32751860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 13421, 26842, 53684, 67105, 134210, 268420, 1462889, 2925778, 5851556, 7314445, 14628890, 29257780]

約数ペア:

[(1, 29257780), (2, 14628890), (4, 7314445), (5, 5851556), (10, 2925778), (20, 1462889), (109, 268420), (218, 134210), (436, 67105), (545, 53684), (1090, 26842), (2180, 13421)]