13040128

素因数分解:

$2^9\times {\mathrm{25469}}^1$

素因数の和:25487

約数の個数: 20

約数和(自身を含む): 26055810

約数和(自身を除く): 13015682

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 25469, 50938, 101876, 203752, 407504, 815008, 1630016, 3260032, 6520064, 13040128]

約数ペア:

[(1, 13040128), (2, 6520064), (4, 3260032), (8, 1630016), (16, 815008), (32, 407504), (64, 203752), (128, 101876), (256, 50938), (512, 25469)]