168227890

素因数分解:

$2^1\times 5^1\times {\mathrm{839}}^1\times {\mathrm{20051}}^1$

素因数の和:20897

約数の個数: 16

約数和(自身を含む): 303186240

約数和(自身を除く): 134958350

約数列:

[1, 2, 5, 10, 839, 1678, 4195, 8390, 20051, 40102, 100255, 200510, 16822789, 33645578, 84113945, 168227890]

約数ペア:

[(1, 168227890), (2, 84113945), (5, 33645578), (10, 16822789), (839, 200510), (1678, 100255), (4195, 40102), (8390, 20051)]