25659728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{84407}}^1$

素因数の和:84434

約数の個数: 20

約数和(自身を含む): 52332960

約数和(自身を除く): 26673232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 84407, 168814, 337628, 675256, 1350512, 1603733, 3207466, 6414932, 12829864, 25659728]

約数ペア:

[(1, 25659728), (2, 12829864), (4, 6414932), (8, 3207466), (16, 1603733), (19, 1350512), (38, 675256), (76, 337628), (152, 168814), (304, 84407)]