81360848

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{7933}}^1$

素因数の和:8582

約数の個数: 20

約数和(自身を含む): 157902468

約数和(自身を除く): 76541620

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 7933, 10256, 15866, 31732, 63464, 126928, 5085053, 10170106, 20340212, 40680424, 81360848]

約数ペア:

[(1, 81360848), (2, 40680424), (4, 20340212), (8, 10170106), (16, 5085053), (641, 126928), (1282, 63464), (2564, 31732), (5128, 15866), (7933, 10256)]