81025712

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{22709}}^1$

素因数の和:22940

約数の個数: 20

約数和(自身を含む): 157698240

約数和(自身を除く): 76672528

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 22709, 45418, 90836, 181672, 363344, 5064107, 10128214, 20256428, 40512856, 81025712]

約数ペア:

[(1, 81025712), (2, 40512856), (4, 20256428), (8, 10128214), (16, 5064107), (223, 363344), (446, 181672), (892, 90836), (1784, 45418), (3568, 22709)]