25831025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 37497600

約数和(自身を除く): 11666575

約数列:

[1, 5, 11, 25, 29, 41, 55, 79, 145, 205, 275, 319, 395, 451, 725, 869, 1025, 1189, 1595, 1975, 2255, 2291, 3239, 4345, 5945, 7975, 11275, 11455, 13079, 16195, 21725, 25201, 29725, 35629, 57275, 65395, 80975, 93931, 126005, 178145, 326975, 469655, 630025, 890725, 1033241, 2348275, 5166205, 25831025]

約数ペア:

[(1, 25831025), (5, 5166205), (11, 2348275), (25, 1033241), (29, 890725), (41, 630025), (55, 469655), (79, 326975), (145, 178145), (205, 126005), (275, 93931), (319, 80975), (395, 65395), (451, 57275), (725, 35629), (869, 29725), (1025, 25201), (1189, 21725), (1595, 16195), (1975, 13079), (2255, 11455), (2291, 11275), (3239, 7975), (4345, 5945)]