19788225920

素因数分解:

$2^7\times 5^1\times {\mathrm{5857}}^1\times {\mathrm{5279}}^1$

素因数の和:11155

約数の個数: 64

約数和(自身を含む): 47323267200

約数和(自身を除く): 27535041280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 5279, 5857, 10558, 11714, 21116, 23428, 26395, 29285, 42232, 46856, 52790, 58570, 84464, 93712, 105580, 117140, 168928, 187424, 211160, 234280, 337856, 374848, 422320, 468560, 675712, 749696, 844640, 937120, 1689280, 1874240, 3378560, 3748480, 30919103, 61838206, 123676412, 154595515, 247352824, 309191030, 494705648, 618382060, 989411296, 1236764120, 1978822592, 2473528240, 3957645184, 4947056480, 9894112960, 19788225920]

約数ペア:

[(1, 19788225920), (2, 9894112960), (4, 4947056480), (5, 3957645184), (8, 2473528240), (10, 1978822592), (16, 1236764120), (20, 989411296), (32, 618382060), (40, 494705648), (64, 309191030), (80, 247352824), (128, 154595515), (160, 123676412), (320, 61838206), (640, 30919103), (5279, 3748480), (5857, 3378560), (10558, 1874240), (11714, 1689280), (21116, 937120), (23428, 844640), (26395, 749696), (29285, 675712), (42232, 468560), (46856, 422320), (52790, 374848), (58570, 337856), (84464, 234280), (93712, 211160), (105580, 187424), (117140, 168928)]