84977980

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{4211}}^1$

素因数の和:5229

約数の個数: 24

約数和(自身を含む): 178673040

約数和(自身を除く): 93695060

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 4036, 4211, 5045, 8422, 10090, 16844, 20180, 21055, 42110, 84220, 4248899, 8497798, 16995596, 21244495, 42488990, 84977980]

約数ペア:

[(1, 84977980), (2, 42488990), (4, 21244495), (5, 16995596), (10, 8497798), (20, 4248899), (1009, 84220), (2018, 42110), (4036, 21055), (4211, 20180), (5045, 16844), (8422, 10090)]