80974795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 109771200

約数和(自身を除く): 28796405

約数列:

[1, 5, 11, 41, 55, 149, 205, 241, 451, 745, 1205, 1639, 2255, 2651, 6109, 8195, 9881, 13255, 30545, 35909, 49405, 67199, 108691, 179545, 335995, 394999, 543455, 1472269, 1974995, 7361345, 16194959, 80974795]

約数ペア:

[(1, 80974795), (5, 16194959), (11, 7361345), (41, 1974995), (55, 1472269), (149, 543455), (205, 394999), (241, 335995), (451, 179545), (745, 108691), (1205, 67199), (1639, 49405), (2255, 35909), (2651, 30545), (6109, 13255), (8195, 9881)]