78712880

素因数分解:

$2^4\times 5^1\times {\mathrm{983911}}^1$

素因数の和:983924

約数の個数: 20

約数和(自身を含む): 183007632

約数和(自身を除く): 104294752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 983911, 1967822, 3935644, 4919555, 7871288, 9839110, 15742576, 19678220, 39356440, 78712880]

約数ペア:

[(1, 78712880), (2, 39356440), (4, 19678220), (5, 15742576), (8, 9839110), (10, 7871288), (16, 4919555), (20, 3935644), (40, 1967822), (80, 983911)]