834872020

素因数分解:

$2^2\times 5^1\times {\mathrm{2591}}^1\times {\mathrm{16111}}^1$

素因数の和:18711

約数の個数: 24

約数和(自身を含む): 1754016768

約数和(自身を除く): 919144748

約数列:

[1, 2, 4, 5, 10, 20, 2591, 5182, 10364, 12955, 16111, 25910, 32222, 51820, 64444, 80555, 161110, 322220, 41743601, 83487202, 166974404, 208718005, 417436010, 834872020]

約数ペア:

[(1, 834872020), (2, 417436010), (4, 208718005), (5, 166974404), (10, 83487202), (20, 41743601), (2591, 322220), (5182, 161110), (10364, 80555), (12955, 64444), (16111, 51820), (25910, 32222)]