205440125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{149411}}^1$

素因数の和:149437

約数の個数: 16

約数和(自身を含む): 279699264

約数和(自身を除く): 74259139

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 149411, 747055, 1643521, 3735275, 8217605, 18676375, 41088025, 205440125]

約数ペア:

[(1, 205440125), (5, 41088025), (11, 18676375), (25, 8217605), (55, 3735275), (125, 1643521), (275, 747055), (1375, 149411)]