856552880

素因数分解:

$2^4\times 5^1\times {\mathrm{10706911}}^1$

素因数の和:10706924

約数の個数: 20

約数和(自身を含む): 1991485632

約数和(自身を除く): 1134932752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10706911, 21413822, 42827644, 53534555, 85655288, 107069110, 171310576, 214138220, 428276440, 856552880]

約数ペア:

[(1, 856552880), (2, 428276440), (4, 214138220), (5, 171310576), (8, 107069110), (10, 85655288), (16, 53534555), (20, 42827644), (40, 21413822), (80, 10706911)]