204020796080

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{593}}^1\times {\mathrm{24859}}^1$

素因数の和:25638

約数の個数: 80

約数和(自身を含む): 477914009760

約数和(自身を除く): 273893213680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 593, 692, 865, 1186, 1384, 1730, 2372, 2768, 2965, 3460, 4744, 5930, 6920, 9488, 11860, 13840, 23720, 24859, 47440, 49718, 99436, 102589, 124295, 198872, 205178, 248590, 397744, 410356, 497180, 512945, 820712, 994360, 1025890, 1641424, 1988720, 2051780, 4103560, 4300607, 8207120, 8601214, 14741387, 17202428, 21503035, 29482774, 34404856, 43006070, 58965548, 68809712, 73706935, 86012140, 117931096, 147413870, 172024280, 235862192, 294827740, 344048560, 589655480, 1179310960, 2550259951, 5100519902, 10201039804, 12751299755, 20402079608, 25502599510, 40804159216, 51005199020, 102010398040, 204020796080]

約数ペア:

[(1, 204020796080), (2, 102010398040), (4, 51005199020), (5, 40804159216), (8, 25502599510), (10, 20402079608), (16, 12751299755), (20, 10201039804), (40, 5100519902), (80, 2550259951), (173, 1179310960), (346, 589655480), (593, 344048560), (692, 294827740), (865, 235862192), (1186, 172024280), (1384, 147413870), (1730, 117931096), (2372, 86012140), (2768, 73706935), (2965, 68809712), (3460, 58965548), (4744, 43006070), (5930, 34404856), (6920, 29482774), (9488, 21503035), (11860, 17202428), (13840, 14741387), (23720, 8601214), (24859, 8207120), (47440, 4300607), (49718, 4103560), (99436, 2051780), (102589, 1988720), (124295, 1641424), (198872, 1025890), (205178, 994360), (248590, 820712), (397744, 512945), (410356, 497180)]