138653140

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{8263}}^1$

素因数の和:9111

約数の個数: 24

約数和(自身を含む): 291553920

約数和(自身を除く): 152900780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1678, 3356, 4195, 8263, 8390, 16526, 16780, 33052, 41315, 82630, 165260, 6932657, 13865314, 27730628, 34663285, 69326570, 138653140]

約数ペア:

[(1, 138653140), (2, 69326570), (4, 34663285), (5, 27730628), (10, 13865314), (20, 6932657), (839, 165260), (1678, 82630), (3356, 41315), (4195, 33052), (8263, 16780), (8390, 16526)]