31992880

素因数分解:

$2^4\times 5^1\times {\mathrm{399911}}^1$

素因数の和:399924

約数の個数: 20

約数和(自身を含む): 74383632

約数和(自身を除く): 42390752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 399911, 799822, 1599644, 1999555, 3199288, 3999110, 6398576, 7998220, 15996440, 31992880]

約数ペア:

[(1, 31992880), (2, 15996440), (4, 7998220), (5, 6398576), (8, 3999110), (10, 3199288), (16, 1999555), (20, 1599644), (40, 799822), (80, 399911)]