27840940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 60060672

約数和(自身を除く): 32219732

約数列:

[1, 2, 4, 5, 10, 20, 97, 113, 127, 194, 226, 254, 388, 452, 485, 508, 565, 635, 970, 1130, 1270, 1940, 2260, 2540, 10961, 12319, 14351, 21922, 24638, 28702, 43844, 49276, 54805, 57404, 61595, 71755, 109610, 123190, 143510, 219220, 246380, 287020, 1392047, 2784094, 5568188, 6960235, 13920470, 27840940]

約数ペア:

[(1, 27840940), (2, 13920470), (4, 6960235), (5, 5568188), (10, 2784094), (20, 1392047), (97, 287020), (113, 246380), (127, 219220), (194, 143510), (226, 123190), (254, 109610), (388, 71755), (452, 61595), (485, 57404), (508, 54805), (565, 49276), (635, 43844), (970, 28702), (1130, 24638), (1270, 21922), (1940, 14351), (2260, 12319), (2540, 10961)]