1640291264

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{625111}}^1$

素因数の和:625164

約数の個数: 28

約数和(自身を含む): 3334347408

約数和(自身を除く): 1694056144

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 625111, 1250222, 2500444, 5000888, 10001776, 20003552, 25629551, 40007104, 51259102, 102518204, 205036408, 410072816, 820145632, 1640291264]

約数ペア:

[(1, 1640291264), (2, 820145632), (4, 410072816), (8, 205036408), (16, 102518204), (32, 51259102), (41, 40007104), (64, 25629551), (82, 20003552), (164, 10001776), (328, 5000888), (656, 2500444), (1312, 1250222), (2624, 625111)]