12952880

素因数分解:

$2^4\times 5^1\times {\mathrm{161911}}^1$

素因数の和:161924

約数の個数: 20

約数和(自身を含む): 30115632

約数和(自身を除く): 17162752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 161911, 323822, 647644, 809555, 1295288, 1619110, 2590576, 3238220, 6476440, 12952880]

約数ペア:

[(1, 12952880), (2, 6476440), (4, 3238220), (5, 2590576), (8, 1619110), (10, 1295288), (16, 809555), (20, 647644), (40, 323822), (80, 161911)]