81965380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{585467}}^1$

素因数の和:585483

約数の個数: 24

約数和(自身を含む): 196717248

約数和(自身を除く): 114751868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 585467, 1170934, 2341868, 2927335, 4098269, 5854670, 8196538, 11709340, 16393076, 20491345, 40982690, 81965380]

約数ペア:

[(1, 81965380), (2, 40982690), (4, 20491345), (5, 16393076), (7, 11709340), (10, 8196538), (14, 5854670), (20, 4098269), (28, 2927335), (35, 2341868), (70, 1170934), (140, 585467)]