13191920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23557}}^1$

素因数の和:23577

約数の個数: 40

約数和(自身を含む): 35054304

約数和(自身を除く): 21862384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 23557, 47114, 94228, 117785, 164899, 188456, 235570, 329798, 376912, 471140, 659596, 824495, 942280, 1319192, 1648990, 1884560, 2638384, 3297980, 6595960, 13191920]

約数ペア:

[(1, 13191920), (2, 6595960), (4, 3297980), (5, 2638384), (7, 1884560), (8, 1648990), (10, 1319192), (14, 942280), (16, 824495), (20, 659596), (28, 471140), (35, 376912), (40, 329798), (56, 235570), (70, 188456), (80, 164899), (112, 117785), (140, 94228), (280, 47114), (560, 23557)]