210392920

素因数分解:

$2^3\times 5^1\times {\mathrm{5259823}}^1$

素因数の和:5259834

約数の個数: 16

約数和(自身を含む): 473384160

約数和(自身を除く): 262991240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5259823, 10519646, 21039292, 26299115, 42078584, 52598230, 105196460, 210392920]

約数ペア:

[(1, 210392920), (2, 105196460), (4, 52598230), (5, 42078584), (8, 26299115), (10, 21039292), (20, 10519646), (40, 5259823)]