129606760

素因数分解:

$2^3\times 5^1\times {\mathrm{3240169}}^1$

素因数の和:3240180

約数の個数: 16

約数和(自身を含む): 291615300

約数和(自身を除く): 162008540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3240169, 6480338, 12960676, 16200845, 25921352, 32401690, 64803380, 129606760]

約数ペア:

[(1, 129606760), (2, 64803380), (4, 32401690), (5, 25921352), (8, 16200845), (10, 12960676), (20, 6480338), (40, 3240169)]