40915376

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:789

約数の個数: 40

約数和(自身を含む): 82171824

約数和(自身を除く): 41256448

約数列:

[1, 2, 4, 8, 16, 41, 82, 97, 164, 194, 328, 388, 643, 656, 776, 1286, 1552, 2572, 3977, 5144, 7954, 10288, 15908, 26363, 31816, 52726, 62371, 63632, 105452, 124742, 210904, 249484, 421808, 498968, 997936, 2557211, 5114422, 10228844, 20457688, 40915376]

約数ペア:

[(1, 40915376), (2, 20457688), (4, 10228844), (8, 5114422), (16, 2557211), (41, 997936), (82, 498968), (97, 421808), (164, 249484), (194, 210904), (328, 124742), (388, 105452), (643, 63632), (656, 62371), (776, 52726), (1286, 31816), (1552, 26363), (2572, 15908), (3977, 10288), (5144, 7954)]