25129456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2011}}^1$

素因数の和:2101

約数の個数: 40

約数和(自身を含む): 53889408

約数和(自身を除く): 28759952

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1562, 2011, 3124, 4022, 6248, 8044, 12496, 16088, 22121, 32176, 44242, 88484, 142781, 176968, 285562, 353936, 571124, 1142248, 1570591, 2284496, 3141182, 6282364, 12564728, 25129456]

約数ペア:

[(1, 25129456), (2, 12564728), (4, 6282364), (8, 3141182), (11, 2284496), (16, 1570591), (22, 1142248), (44, 571124), (71, 353936), (88, 285562), (142, 176968), (176, 142781), (284, 88484), (568, 44242), (781, 32176), (1136, 22121), (1562, 16088), (2011, 12496), (3124, 8044), (4022, 6248)]