55681880

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 128701440

約数和(自身を除く): 73019560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 113, 127, 194, 226, 254, 388, 452, 485, 508, 565, 635, 776, 904, 970, 1016, 1130, 1270, 1940, 2260, 2540, 3880, 4520, 5080, 10961, 12319, 14351, 21922, 24638, 28702, 43844, 49276, 54805, 57404, 61595, 71755, 87688, 98552, 109610, 114808, 123190, 143510, 219220, 246380, 287020, 438440, 492760, 574040, 1392047, 2784094, 5568188, 6960235, 11136376, 13920470, 27840940, 55681880]

約数ペア:

[(1, 55681880), (2, 27840940), (4, 13920470), (5, 11136376), (8, 6960235), (10, 5568188), (20, 2784094), (40, 1392047), (97, 574040), (113, 492760), (127, 438440), (194, 287020), (226, 246380), (254, 219220), (388, 143510), (452, 123190), (485, 114808), (508, 109610), (565, 98552), (635, 87688), (776, 71755), (904, 61595), (970, 57404), (1016, 54805), (1130, 49276), (1270, 43844), (1940, 28702), (2260, 24638), (2540, 21922), (3880, 14351), (4520, 12319), (5080, 10961)]