28585250

素因数分解:

$2^1\times 5^3\times {\mathrm{109}}^1\times {\mathrm{1049}}^1$

素因数の和:1175

約数の個数: 32

約数和(自身を含む): 54054000

約数和(自身を除く): 25468750

約数列:

[1, 2, 5, 10, 25, 50, 109, 125, 218, 250, 545, 1049, 1090, 2098, 2725, 5245, 5450, 10490, 13625, 26225, 27250, 52450, 114341, 131125, 228682, 262250, 571705, 1143410, 2858525, 5717050, 14292625, 28585250]

約数ペア:

[(1, 28585250), (2, 14292625), (5, 5717050), (10, 2858525), (25, 1143410), (50, 571705), (109, 262250), (125, 228682), (218, 131125), (250, 114341), (545, 52450), (1049, 27250), (1090, 26225), (2098, 13625), (2725, 10490), (5245, 5450)]