25666120

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6353}}^1$

素因数の和:6465

約数の個数: 32

約数和(自身を含む): 58329720

約数和(自身を除く): 32663600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 6353, 12706, 25412, 31765, 50824, 63530, 127060, 254120, 641653, 1283306, 2566612, 3208265, 5133224, 6416530, 12833060, 25666120]

約数ペア:

[(1, 25666120), (2, 12833060), (4, 6416530), (5, 5133224), (8, 3208265), (10, 2566612), (20, 1283306), (40, 641653), (101, 254120), (202, 127060), (404, 63530), (505, 50824), (808, 31765), (1010, 25412), (2020, 12706), (4040, 6353)]