65413870

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{20899}}^1$

素因数の和:21219

約数の個数: 16

約数和(自身を含む): 118126800

約数和(自身を除く): 52712930

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 20899, 41798, 104495, 208990, 6541387, 13082774, 32706935, 65413870]

約数ペア:

[(1, 65413870), (2, 32706935), (5, 13082774), (10, 6541387), (313, 208990), (626, 104495), (1565, 41798), (3130, 20899)]