31989280

素因数分解:

$2^5\times 5^1\times {\mathrm{199933}}^1$

素因数の和:199948

約数の個数: 24

約数和(自身を含む): 75575052

約数和(自身を除く): 43585772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199933, 399866, 799732, 999665, 1599464, 1999330, 3198928, 3998660, 6397856, 7997320, 15994640, 31989280]

約数ペア:

[(1, 31989280), (2, 15994640), (4, 7997320), (5, 6397856), (8, 3998660), (10, 3198928), (16, 1999330), (20, 1599464), (32, 999665), (40, 799732), (80, 399866), (160, 199933)]