260543980

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{12911}}^1$

素因数の和:13929

約数の個数: 24

約数和(自身を含む): 547727040

約数和(自身を除く): 287183060

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 4036, 5045, 10090, 12911, 20180, 25822, 51644, 64555, 129110, 258220, 13027199, 26054398, 52108796, 65135995, 130271990, 260543980]

約数ペア:

[(1, 260543980), (2, 130271990), (4, 65135995), (5, 52108796), (10, 26054398), (20, 13027199), (1009, 258220), (2018, 129110), (4036, 64555), (5045, 51644), (10090, 25822), (12911, 20180)]