51440780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2861}}^1$

素因数の和:2930

約数の個数: 48

約数和(自身を含む): 115395840

約数和(自身を除く): 63955060

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 2861, 3596, 4495, 5722, 8990, 11444, 14305, 17980, 28610, 57220, 82969, 88691, 165938, 177382, 331876, 354764, 414845, 443455, 829690, 886910, 1659380, 1773820, 2572039, 5144078, 10288156, 12860195, 25720390, 51440780]

約数ペア:

[(1, 51440780), (2, 25720390), (4, 12860195), (5, 10288156), (10, 5144078), (20, 2572039), (29, 1773820), (31, 1659380), (58, 886910), (62, 829690), (116, 443455), (124, 414845), (145, 354764), (155, 331876), (290, 177382), (310, 165938), (580, 88691), (620, 82969), (899, 57220), (1798, 28610), (2861, 17980), (3596, 14305), (4495, 11444), (5722, 8990)]