81920408

素因数分解:

$2^3\times {\mathrm{317}}^1\times {\mathrm{32303}}^1$

素因数の和:32626

約数の個数: 16

約数和(自身を含む): 154090080

約数和(自身を除く): 72169672

約数列:

[1, 2, 4, 8, 317, 634, 1268, 2536, 32303, 64606, 129212, 258424, 10240051, 20480102, 40960204, 81920408]

約数ペア:

[(1, 81920408), (2, 40960204), (4, 20480102), (8, 10240051), (317, 258424), (634, 129212), (1268, 64606), (2536, 32303)]