2009689925

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{599}}^1\times {\mathrm{3121}}^1$

素因数の和:3773

約数の個数: 24

約数和(自身を含む): 2555044800

約数和(自身を除く): 545354875

約数列:

[1, 5, 25, 43, 215, 599, 1075, 2995, 3121, 14975, 15605, 25757, 78025, 128785, 134203, 643925, 671015, 1869479, 3355075, 9347395, 46736975, 80387597, 401937985, 2009689925]

約数ペア:

[(1, 2009689925), (5, 401937985), (25, 80387597), (43, 46736975), (215, 9347395), (599, 3355075), (1075, 1869479), (2995, 671015), (3121, 643925), (14975, 134203), (15605, 128785), (25757, 78025)]