84109820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{135661}}^1$

素因数の和:135701

約数の個数: 24

約数和(自身を含む): 182329728

約数和(自身を除く): 98219908

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 135661, 271322, 542644, 678305, 1356610, 2713220, 4205491, 8410982, 16821964, 21027455, 42054910, 84109820]

約数ペア:

[(1, 84109820), (2, 42054910), (4, 21027455), (5, 16821964), (10, 8410982), (20, 4205491), (31, 2713220), (62, 1356610), (124, 678305), (155, 542644), (310, 271322), (620, 135661)]