40380016

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{6991}}^1$

素因数の和:7037

約数の個数: 30

約数和(自身を含む): 82582512

約数和(自身を除く): 42202496

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 5776, 6991, 13982, 27964, 55928, 111856, 132829, 265658, 531316, 1062632, 2125264, 2523751, 5047502, 10095004, 20190008, 40380016]

約数ペア:

[(1, 40380016), (2, 20190008), (4, 10095004), (8, 5047502), (16, 2523751), (19, 2125264), (38, 1062632), (76, 531316), (152, 265658), (304, 132829), (361, 111856), (722, 55928), (1444, 27964), (2888, 13982), (5776, 6991)]