28269680

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3643}}^1$

素因数の和:3753

約数の個数: 40

約数和(自身を含む): 66422832

約数和(自身を除く): 38153152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3643, 3880, 7286, 7760, 14572, 18215, 29144, 36430, 58288, 72860, 145720, 291440, 353371, 706742, 1413484, 1766855, 2826968, 3533710, 5653936, 7067420, 14134840, 28269680]

約数ペア:

[(1, 28269680), (2, 14134840), (4, 7067420), (5, 5653936), (8, 3533710), (10, 2826968), (16, 1766855), (20, 1413484), (40, 706742), (80, 353371), (97, 291440), (194, 145720), (388, 72860), (485, 58288), (776, 36430), (970, 29144), (1552, 18215), (1940, 14572), (3643, 7760), (3880, 7286)]