156828640

素因数分解:

$2^5\times 5^1\times {\mathrm{980179}}^1$

素因数の和:980194

約数の個数: 24

約数和(自身を含む): 370508040

約数和(自身を除く): 213679400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 980179, 1960358, 3920716, 4900895, 7841432, 9801790, 15682864, 19603580, 31365728, 39207160, 78414320, 156828640]

約数ペア:

[(1, 156828640), (2, 78414320), (4, 39207160), (5, 31365728), (8, 19603580), (10, 15682864), (16, 9801790), (20, 7841432), (32, 4900895), (40, 3920716), (80, 1960358), (160, 980179)]