2019001025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{35251}}^1$

素因数の和:35369

約数の個数: 24

約数和(自身を含む): 2622748800

約数和(自身を除く): 603747775

約数列:

[1, 5, 25, 29, 79, 145, 395, 725, 1975, 2291, 11455, 35251, 57275, 176255, 881275, 1022279, 2784829, 5111395, 13924145, 25556975, 69620725, 80760041, 403800205, 2019001025]

約数ペア:

[(1, 2019001025), (5, 403800205), (25, 80760041), (29, 69620725), (79, 25556975), (145, 13924145), (395, 5111395), (725, 2784829), (1975, 1022279), (2291, 881275), (11455, 176255), (35251, 57275)]