81827020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{371941}}^1$

素因数の和:371961

約数の個数: 24

約数和(自身を含む): 187458768

約数和(自身を除く): 105631748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 371941, 743882, 1487764, 1859705, 3719410, 4091351, 7438820, 8182702, 16365404, 20456755, 40913510, 81827020]

約数ペア:

[(1, 81827020), (2, 40913510), (4, 20456755), (5, 16365404), (10, 8182702), (11, 7438820), (20, 4091351), (22, 3719410), (44, 1859705), (55, 1487764), (110, 743882), (220, 371941)]