204540125

素因数分解:

$5^3\times {\mathrm{131}}^1\times {\mathrm{12491}}^1$

素因数の和:12637

約数の個数: 16

約数和(自身を含む): 257235264

約数和(自身を除く): 52695139

約数列:

[1, 5, 25, 125, 131, 655, 3275, 12491, 16375, 62455, 312275, 1561375, 1636321, 8181605, 40908025, 204540125]

約数ペア:

[(1, 204540125), (5, 40908025), (25, 8181605), (125, 1636321), (131, 1561375), (655, 312275), (3275, 62455), (12491, 16375)]