320418120140

素因数分解:

$2^2\times 5^1\times {\mathrm{16020906007}}^1$

素因数の和:16020906016

約数の個数: 12

約数和(自身を含む): 672878052336

約数和(自身を除く): 352459932196

約数列:

[1, 2, 4, 5, 10, 20, 16020906007, 32041812014, 64083624028, 80104530035, 160209060070, 320418120140]

約数ペア:

[(1, 320418120140), (2, 160209060070), (4, 80104530035), (5, 64083624028), (10, 32041812014), (20, 16020906007)]