2105240

素因数分解:

$2^3\times 5^1\times {\mathrm{52631}}^1$

素因数の和:52642

約数の個数: 16

約数和(自身を含む): 4736880

約数和(自身を除く): 2631640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 52631, 105262, 210524, 263155, 421048, 526310, 1052620, 2105240]

約数ペア:

[(1, 2105240), (2, 1052620), (4, 526310), (5, 421048), (8, 263155), (10, 210524), (20, 105262), (40, 52631)]