25706864

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{26339}}^1$

素因数の和:26408

約数の個数: 20

約数和(自身を含む): 50625480

約数和(自身を除く): 24918616

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 26339, 52678, 105356, 210712, 421424, 1606679, 3213358, 6426716, 12853432, 25706864]

約数ペア:

[(1, 25706864), (2, 12853432), (4, 6426716), (8, 3213358), (16, 1606679), (61, 421424), (122, 210712), (244, 105356), (488, 52678), (976, 26339)]