28515730

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{40163}}^1$

素因数の和:40241

約数の個数: 16

約数和(自身を含む): 52052544

約数和(自身を除く): 23536814

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 40163, 80326, 200815, 401630, 2851573, 5703146, 14257865, 28515730]

約数ペア:

[(1, 28515730), (2, 14257865), (5, 5703146), (10, 2851573), (71, 401630), (142, 200815), (355, 80326), (710, 40163)]