28842340

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{2087}}^1$

素因数の和:2787

約数の個数: 24

約数和(自身を含む): 60685632

約数和(自身を除く): 31843292

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2087, 2764, 3455, 4174, 6910, 8348, 10435, 13820, 20870, 41740, 1442117, 2884234, 5768468, 7210585, 14421170, 28842340]

約数ペア:

[(1, 28842340), (2, 14421170), (4, 7210585), (5, 5768468), (10, 2884234), (20, 1442117), (691, 41740), (1382, 20870), (2087, 13820), (2764, 10435), (3455, 8348), (4174, 6910)]