2019705025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{200467}}^1$

素因数の和:200521

約数の個数: 24

約数和(自身を含む): 2784099584

約数和(自身を除く): 764394559

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 10075, 200467, 1002335, 2606071, 5011675, 6214477, 13030355, 31072385, 65151775, 80788201, 155361925, 403941005, 2019705025]

約数ペア:

[(1, 2019705025), (5, 403941005), (13, 155361925), (25, 80788201), (31, 65151775), (65, 31072385), (155, 13030355), (325, 6214477), (403, 5011675), (775, 2606071), (2015, 1002335), (10075, 200467)]