1274952880

素因数分解:

$2^4\times 5^1\times {\mathrm{15936911}}^1$

素因数の和:15936924

約数の個数: 20

約数和(自身を含む): 2964265632

約数和(自身を除く): 1689312752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15936911, 31873822, 63747644, 79684555, 127495288, 159369110, 254990576, 318738220, 637476440, 1274952880]

約数ペア:

[(1, 1274952880), (2, 637476440), (4, 318738220), (5, 254990576), (8, 159369110), (10, 127495288), (16, 79684555), (20, 63747644), (40, 31873822), (80, 15936911)]