16864160

素因数分解:

$2^5\times 5^1\times {\mathrm{105401}}^1$

素因数の和:105416

約数の個数: 24

約数和(自身を含む): 39841956

約数和(自身を除く): 22977796

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 105401, 210802, 421604, 527005, 843208, 1054010, 1686416, 2108020, 3372832, 4216040, 8432080, 16864160]

約数ペア:

[(1, 16864160), (2, 8432080), (4, 4216040), (5, 3372832), (8, 2108020), (10, 1686416), (16, 1054010), (20, 843208), (32, 527005), (40, 421604), (80, 210802), (160, 105401)]