20160325360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{64633}}^1$

素因数の和:65210

約数の個数: 80

約数和(自身を含む): 53665868736

約数和(自身を除く): 33505543376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 557, 560, 1114, 2228, 2785, 3899, 4456, 5570, 7798, 8912, 11140, 15596, 19495, 22280, 31192, 38990, 44560, 62384, 64633, 77980, 129266, 155960, 258532, 311920, 323165, 452431, 517064, 646330, 904862, 1034128, 1292660, 1809724, 2262155, 2585320, 3619448, 4524310, 5170640, 7238896, 9048620, 18097240, 36000581, 36194480, 72001162, 144002324, 180002905, 252004067, 288004648, 360005810, 504008134, 576009296, 720011620, 1008016268, 1260020335, 1440023240, 2016032536, 2520040670, 2880046480, 4032065072, 5040081340, 10080162680, 20160325360]

約数ペア:

[(1, 20160325360), (2, 10080162680), (4, 5040081340), (5, 4032065072), (7, 2880046480), (8, 2520040670), (10, 2016032536), (14, 1440023240), (16, 1260020335), (20, 1008016268), (28, 720011620), (35, 576009296), (40, 504008134), (56, 360005810), (70, 288004648), (80, 252004067), (112, 180002905), (140, 144002324), (280, 72001162), (557, 36194480), (560, 36000581), (1114, 18097240), (2228, 9048620), (2785, 7238896), (3899, 5170640), (4456, 4524310), (5570, 3619448), (7798, 2585320), (8912, 2262155), (11140, 1809724), (15596, 1292660), (19495, 1034128), (22280, 904862), (31192, 646330), (38990, 517064), (44560, 452431), (62384, 323165), (64633, 311920), (77980, 258532), (129266, 155960)]