2891325920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{2581541}}^1$

素因数の和:2581563

約数の個数: 48

約数和(自身を含む): 7806583008

約数和(自身を除く): 4915257088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 2581541, 5163082, 10326164, 12907705, 18070787, 20652328, 25815410, 36141574, 41304656, 51630820, 72283148, 82609312, 90353935, 103261640, 144566296, 180707870, 206523280, 289132592, 361415740, 413046560, 578265184, 722831480, 1445662960, 2891325920]

約数ペア:

[(1, 2891325920), (2, 1445662960), (4, 722831480), (5, 578265184), (7, 413046560), (8, 361415740), (10, 289132592), (14, 206523280), (16, 180707870), (20, 144566296), (28, 103261640), (32, 90353935), (35, 82609312), (40, 72283148), (56, 51630820), (70, 41304656), (80, 36141574), (112, 25815410), (140, 20652328), (160, 18070787), (224, 12907705), (280, 10326164), (560, 5163082), (1120, 2581541)]