16001290

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1949}}^1$

素因数の和:2777

約数の個数: 16

約数和(自身を含む): 28852200

約数和(自身を除く): 12850910

約数列:

[1, 2, 5, 10, 821, 1642, 1949, 3898, 4105, 8210, 9745, 19490, 1600129, 3200258, 8000645, 16001290]

約数ペア:

[(1, 16001290), (2, 8000645), (5, 3200258), (10, 1600129), (821, 19490), (1642, 9745), (1949, 8210), (3898, 4105)]