16042340

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{977}}^1$

素因数の和:1807

約数の個数: 24

約数和(自身を含む): 33764472

約数和(自身を除く): 17722132

約数列:

[1, 2, 4, 5, 10, 20, 821, 977, 1642, 1954, 3284, 3908, 4105, 4885, 8210, 9770, 16420, 19540, 802117, 1604234, 3208468, 4010585, 8021170, 16042340]

約数ペア:

[(1, 16042340), (2, 8021170), (4, 4010585), (5, 3208468), (10, 1604234), (20, 802117), (821, 19540), (977, 16420), (1642, 9770), (1954, 8210), (3284, 4885), (3908, 4105)]