268185640

素因数分解:

$2^3\times 5^1\times {\mathrm{6704641}}^1$

素因数の和:6704652

約数の個数: 16

約数和(自身を含む): 603417780

約数和(自身を除く): 335232140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6704641, 13409282, 26818564, 33523205, 53637128, 67046410, 134092820, 268185640]

約数ペア:

[(1, 268185640), (2, 134092820), (4, 67046410), (5, 53637128), (8, 33523205), (10, 26818564), (20, 13409282), (40, 6704641)]