28004575

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:184

約数の個数: 36

約数和(自身を含む): 38267640

約数和(自身を除く): 10263065

約数列:

[1, 5, 19, 25, 29, 95, 107, 145, 361, 475, 535, 551, 725, 1805, 2033, 2675, 2755, 3103, 9025, 10165, 10469, 13775, 15515, 38627, 50825, 52345, 58957, 77575, 193135, 261725, 294785, 965675, 1120183, 1473925, 5600915, 28004575]

約数ペア:

[(1, 28004575), (5, 5600915), (19, 1473925), (25, 1120183), (29, 965675), (95, 294785), (107, 261725), (145, 193135), (361, 77575), (475, 58957), (535, 52345), (551, 50825), (725, 38627), (1805, 15515), (2033, 13775), (2675, 10469), (2755, 10165), (3103, 9025)]