27965840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{49939}}^1$

素因数の和:49959

約数の個数: 40

約数和(自身を含む): 74310720

約数和(自身を除く): 46344880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 49939, 99878, 199756, 249695, 349573, 399512, 499390, 699146, 799024, 998780, 1398292, 1747865, 1997560, 2796584, 3495730, 3995120, 5593168, 6991460, 13982920, 27965840]

約数ペア:

[(1, 27965840), (2, 13982920), (4, 6991460), (5, 5593168), (7, 3995120), (8, 3495730), (10, 2796584), (14, 1997560), (16, 1747865), (20, 1398292), (28, 998780), (35, 799024), (40, 699146), (56, 499390), (70, 399512), (80, 349573), (112, 249695), (140, 199756), (280, 99878), (560, 49939)]