28212250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{10259}}^1$

素因数の和:10287

約数の個数: 32

約数和(自身を含む): 57620160

約数和(自身を除く): 29407910

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 10259, 20518, 51295, 102590, 112849, 225698, 256475, 512950, 564245, 1128490, 1282375, 2564750, 2821225, 5642450, 14106125, 28212250]

約数ペア:

[(1, 28212250), (2, 14106125), (5, 5642450), (10, 2821225), (11, 2564750), (22, 1282375), (25, 1128490), (50, 564245), (55, 512950), (110, 256475), (125, 225698), (250, 112849), (275, 102590), (550, 51295), (1375, 20518), (2750, 10259)]