40420144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{132961}}^1$

素因数の和:132988

約数の個数: 20

約数和(自身を含む): 82436440

約数和(自身を除く): 42016296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 132961, 265922, 531844, 1063688, 2127376, 2526259, 5052518, 10105036, 20210072, 40420144]

約数ペア:

[(1, 40420144), (2, 20210072), (4, 10105036), (8, 5052518), (16, 2526259), (19, 2127376), (38, 1063688), (76, 531844), (152, 265922), (304, 132961)]