91112240

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1723}}^1$

素因数の和:2397

約数の個数: 40

約数和(自身を含む): 212279568

約数和(自身を除く): 121167328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 1322, 1723, 2644, 3305, 3446, 5288, 6610, 6892, 8615, 10576, 13220, 13784, 17230, 26440, 27568, 34460, 52880, 68920, 137840, 1138903, 2277806, 4555612, 5694515, 9111224, 11389030, 18222448, 22778060, 45556120, 91112240]

約数ペア:

[(1, 91112240), (2, 45556120), (4, 22778060), (5, 18222448), (8, 11389030), (10, 9111224), (16, 5694515), (20, 4555612), (40, 2277806), (80, 1138903), (661, 137840), (1322, 68920), (1723, 52880), (2644, 34460), (3305, 27568), (3446, 26440), (5288, 17230), (6610, 13784), (6892, 13220), (8615, 10576)]