2016205520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{189493}}^1$

素因数の和:189532

約数の個数: 80

約数和(自身を含む): 5639341440

約数和(自身を除く): 3623135920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 189493, 378986, 757972, 947465, 1326451, 1515944, 1894930, 2652902, 3031888, 3600367, 3789860, 5305804, 6632255, 7200734, 7579720, 10611608, 13264510, 14401468, 15159440, 18001835, 21223216, 25202569, 26529020, 28802936, 36003670, 50405138, 53058040, 57605872, 72007340, 100810276, 106116080, 126012845, 144014680, 201620552, 252025690, 288029360, 403241104, 504051380, 1008102760, 2016205520]

約数ペア:

[(1, 2016205520), (2, 1008102760), (4, 504051380), (5, 403241104), (7, 288029360), (8, 252025690), (10, 201620552), (14, 144014680), (16, 126012845), (19, 106116080), (20, 100810276), (28, 72007340), (35, 57605872), (38, 53058040), (40, 50405138), (56, 36003670), (70, 28802936), (76, 26529020), (80, 25202569), (95, 21223216), (112, 18001835), (133, 15159440), (140, 14401468), (152, 13264510), (190, 10611608), (266, 7579720), (280, 7200734), (304, 6632255), (380, 5305804), (532, 3789860), (560, 3600367), (665, 3031888), (760, 2652902), (1064, 1894930), (1330, 1515944), (1520, 1326451), (2128, 947465), (2660, 757972), (5320, 378986), (10640, 189493)]