2019354025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{38119}}^1$

素因数の和:38305

約数の個数: 24

約数和(自身を含む): 2713229120

約数和(自身を除く): 693875095

約数列:

[1, 5, 13, 25, 65, 163, 325, 815, 2119, 4075, 10595, 38119, 52975, 190595, 495547, 952975, 2477735, 6213397, 12388675, 31066985, 80774161, 155334925, 403870805, 2019354025]

約数ペア:

[(1, 2019354025), (5, 403870805), (13, 155334925), (25, 80774161), (65, 31066985), (163, 12388675), (325, 6213397), (815, 2477735), (2119, 952975), (4075, 495547), (10595, 190595), (38119, 52975)]