25581424

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{145349}}^1$

素因数の和:145368

約数の個数: 20

約数和(自身を含む): 54070200

約数和(自身を除く): 28488776

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 145349, 290698, 581396, 1162792, 1598839, 2325584, 3197678, 6395356, 12790712, 25581424]

約数ペア:

[(1, 25581424), (2, 12790712), (4, 6395356), (8, 3197678), (11, 2325584), (16, 1598839), (22, 1162792), (44, 581396), (88, 290698), (176, 145349)]