80687540

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{14887}}^1$

素因数の和:15167

約数の個数: 24

約数和(自身を含む): 170080512

約数和(自身を除く): 89392972

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 14887, 29774, 59548, 74435, 148870, 297740, 4034377, 8068754, 16137508, 20171885, 40343770, 80687540]

約数ペア:

[(1, 80687540), (2, 40343770), (4, 20171885), (5, 16137508), (10, 8068754), (20, 4034377), (271, 297740), (542, 148870), (1084, 74435), (1355, 59548), (2710, 29774), (5420, 14887)]