25165424

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{82781}}^1$

素因数の和:82808

約数の個数: 20

約数和(自身を含む): 51324840

約数和(自身を除く): 26159416

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 82781, 165562, 331124, 662248, 1324496, 1572839, 3145678, 6291356, 12582712, 25165424]

約数ペア:

[(1, 25165424), (2, 12582712), (4, 6291356), (8, 3145678), (16, 1572839), (19, 1324496), (38, 662248), (76, 331124), (152, 165562), (304, 82781)]