11581201820

素因数分解:

$2^2\times 5^1\times {\mathrm{579060091}}^1$

素因数の和:579060100

約数の個数: 12

約数和(自身を含む): 24320523864

約数和(自身を除く): 12739322044

約数列:

[1, 2, 4, 5, 10, 20, 579060091, 1158120182, 2316240364, 2895300455, 5790600910, 11581201820]

約数ペア:

[(1, 11581201820), (2, 5790600910), (4, 2895300455), (5, 2316240364), (10, 1158120182), (20, 579060091)]