25640048

素因数分解:

$2^4\times 7^1\times {\mathrm{228929}}^1$

素因数の和:228944

約数の個数: 20

約数和(自身を含む): 56774640

約数和(自身を除く): 31134592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 228929, 457858, 915716, 1602503, 1831432, 3205006, 3662864, 6410012, 12820024, 25640048]

約数ペア:

[(1, 25640048), (2, 12820024), (4, 6410012), (7, 3662864), (8, 3205006), (14, 1831432), (16, 1602503), (28, 915716), (56, 457858), (112, 228929)]