71603920

素因数分解:

$2^4\times 5^1\times {\mathrm{895049}}^1$

素因数の和:895062

約数の個数: 20

約数和(自身を含む): 166479300

約数和(自身を除く): 94875380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 895049, 1790098, 3580196, 4475245, 7160392, 8950490, 14320784, 17900980, 35801960, 71603920]

約数ペア:

[(1, 71603920), (2, 35801960), (4, 17900980), (5, 14320784), (8, 8950490), (10, 7160392), (16, 4475245), (20, 3580196), (40, 1790098), (80, 895049)]