86566420

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{31139}}^1$

素因数の和:31287

約数の個数: 24

約数和(自身を含む): 183103200

約数和(自身を除く): 96536780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 31139, 62278, 124556, 155695, 311390, 622780, 4328321, 8656642, 17313284, 21641605, 43283210, 86566420]

約数ペア:

[(1, 86566420), (2, 43283210), (4, 21641605), (5, 17313284), (10, 8656642), (20, 4328321), (139, 622780), (278, 311390), (556, 155695), (695, 124556), (1390, 62278), (2780, 31139)]