129507856

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{80141}}^1$

素因数の和:80250

約数の個数: 20

約数和(自身を含む): 253409004

約数和(自身を除く): 123901148

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 80141, 160282, 320564, 641128, 1282256, 8094241, 16188482, 32376964, 64753928, 129507856]

約数ペア:

[(1, 129507856), (2, 64753928), (4, 32376964), (8, 16188482), (16, 8094241), (101, 1282256), (202, 641128), (404, 320564), (808, 160282), (1616, 80141)]