128395325

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{433}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 165484200

約数和(自身を除く): 37088875

約数列:

[1, 5, 25, 29, 145, 409, 433, 725, 2045, 2165, 10225, 10825, 11861, 12557, 59305, 62785, 177097, 296525, 313925, 885485, 4427425, 5135813, 25679065, 128395325]

約数ペア:

[(1, 128395325), (5, 25679065), (25, 5135813), (29, 4427425), (145, 885485), (409, 313925), (433, 296525), (725, 177097), (2045, 62785), (2165, 59305), (10225, 12557), (10825, 11861)]