166680025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{479}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 214272000

約数和(自身を除く): 47591975

約数列:

[1, 5, 25, 31, 155, 449, 479, 775, 2245, 2395, 11225, 11975, 13919, 14849, 69595, 74245, 215071, 347975, 371225, 1075355, 5376775, 6667201, 33336005, 166680025]

約数ペア:

[(1, 166680025), (5, 33336005), (25, 6667201), (31, 5376775), (155, 1075355), (449, 371225), (479, 347975), (775, 215071), (2245, 74245), (2395, 69595), (11225, 14849), (11975, 13919)]