25812272

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:621

約数の個数: 40

約数和(自身を含む): 51894000

約数和(自身を除く): 26081728

約数列:

[1, 2, 4, 8, 16, 53, 61, 106, 122, 212, 244, 424, 488, 499, 848, 976, 998, 1996, 3233, 3992, 6466, 7984, 12932, 25864, 26447, 30439, 51728, 52894, 60878, 105788, 121756, 211576, 243512, 423152, 487024, 1613267, 3226534, 6453068, 12906136, 25812272]

約数ペア:

[(1, 25812272), (2, 12906136), (4, 6453068), (8, 3226534), (16, 1613267), (53, 487024), (61, 423152), (106, 243512), (122, 211576), (212, 121756), (244, 105788), (424, 60878), (488, 52894), (499, 51728), (848, 30439), (976, 26447), (998, 25864), (1996, 12932), (3233, 7984), (3992, 6466)]