4200528020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16155877}}^1$

素因数の和:16155899

約数の個数: 24

約数和(自身を含む): 9499656264

約数和(自身を除く): 5299128244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 16155877, 32311754, 64623508, 80779385, 161558770, 210026401, 323117540, 420052802, 840105604, 1050132005, 2100264010, 4200528020]

約数ペア:

[(1, 4200528020), (2, 2100264010), (4, 1050132005), (5, 840105604), (10, 420052802), (13, 323117540), (20, 210026401), (26, 161558770), (52, 80779385), (65, 64623508), (130, 32311754), (260, 16155877)]