80627408

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{117191}}^1$

素因数の和:117242

約数の個数: 20

約数和(自身を含む): 159849888

約数和(自身を除く): 79222480

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 117191, 234382, 468764, 937528, 1875056, 5039213, 10078426, 20156852, 40313704, 80627408]

約数ペア:

[(1, 80627408), (2, 40313704), (4, 20156852), (8, 10078426), (16, 5039213), (43, 1875056), (86, 937528), (172, 468764), (344, 234382), (688, 117191)]