11819920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{21107}}^1$

素因数の和:21127

約数の個数: 40

約数和(自身を含む): 31408704

約数和(自身を除く): 19588784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 21107, 42214, 84428, 105535, 147749, 168856, 211070, 295498, 337712, 422140, 590996, 738745, 844280, 1181992, 1477490, 1688560, 2363984, 2954980, 5909960, 11819920]

約数ペア:

[(1, 11819920), (2, 5909960), (4, 2954980), (5, 2363984), (7, 1688560), (8, 1477490), (10, 1181992), (14, 844280), (16, 738745), (20, 590996), (28, 422140), (35, 337712), (40, 295498), (56, 211070), (70, 168856), (80, 147749), (112, 105535), (140, 84428), (280, 42214), (560, 21107)]