40027408

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{37339}}^1$

素因数の和:37414

約数の個数: 20

約数和(自身を含む): 78712720

約数和(自身を除く): 38685312

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 37339, 74678, 149356, 298712, 597424, 2501713, 5003426, 10006852, 20013704, 40027408]

約数ペア:

[(1, 40027408), (2, 20013704), (4, 10006852), (8, 5003426), (16, 2501713), (67, 597424), (134, 298712), (268, 149356), (536, 74678), (1072, 37339)]