4665156680

素因数分解:

$2^3\times 5^1\times {\mathrm{11503}}^1\times {\mathrm{10139}}^1$

素因数の和:21653

約数の個数: 32

約数和(自身を含む): 10498550400

約数和(自身を除く): 5833393720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10139, 11503, 20278, 23006, 40556, 46012, 50695, 57515, 81112, 92024, 101390, 115030, 202780, 230060, 405560, 460120, 116628917, 233257834, 466515668, 583144585, 933031336, 1166289170, 2332578340, 4665156680]

約数ペア:

[(1, 4665156680), (2, 2332578340), (4, 1166289170), (5, 933031336), (8, 583144585), (10, 466515668), (20, 233257834), (40, 116628917), (10139, 460120), (11503, 405560), (20278, 230060), (23006, 202780), (40556, 115030), (46012, 101390), (50695, 92024), (57515, 81112)]