90202160

素因数分解:

$2^4\times 5^1\times {\mathrm{1127527}}^1$

素因数の和:1127540

約数の個数: 20

約数和(自身を含む): 209720208

約数和(自身を除く): 119518048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1127527, 2255054, 4510108, 5637635, 9020216, 11275270, 18040432, 22550540, 45101080, 90202160]

約数ペア:

[(1, 90202160), (2, 45101080), (4, 22550540), (5, 18040432), (8, 11275270), (10, 9020216), (16, 5637635), (20, 4510108), (40, 2255054), (80, 1127527)]