80931184

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{266221}}^1$

素因数の和:266248

約数の個数: 20

約数和(自身を含む): 165057640

約数和(自身を除く): 84126456

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 266221, 532442, 1064884, 2129768, 4259536, 5058199, 10116398, 20232796, 40465592, 80931184]

約数ペア:

[(1, 80931184), (2, 40465592), (4, 20232796), (8, 10116398), (16, 5058199), (19, 4259536), (38, 2129768), (76, 1064884), (152, 532442), (304, 266221)]