12758825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 16594176

約数和(自身を除く): 3835351

約数列:

[1, 5, 25, 31, 101, 155, 163, 505, 775, 815, 2525, 3131, 4075, 5053, 15655, 16463, 25265, 78275, 82315, 126325, 411575, 510353, 2551765, 12758825]

約数ペア:

[(1, 12758825), (5, 2551765), (25, 510353), (31, 411575), (101, 126325), (155, 82315), (163, 78275), (505, 25265), (775, 16463), (815, 15655), (2525, 5053), (3131, 4075)]