80994064

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{19697}}^1$

素因数の和:19962

約数の個数: 20

約数和(自身を含む): 157544604

約数和(自身を除く): 76550540

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 19697, 39394, 78788, 157576, 315152, 5062129, 10124258, 20248516, 40497032, 80994064]

約数ペア:

[(1, 80994064), (2, 40497032), (4, 20248516), (8, 10124258), (16, 5062129), (257, 315152), (514, 157576), (1028, 78788), (2056, 39394), (4112, 19697)]