89378140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{84319}}^1$

素因数の和:84381

約数の個数: 24

約数和(自身を含む): 191237760

約数和(自身を除く): 101859620

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 84319, 168638, 337276, 421595, 843190, 1686380, 4468907, 8937814, 17875628, 22344535, 44689070, 89378140]

約数ペア:

[(1, 89378140), (2, 44689070), (4, 22344535), (5, 17875628), (10, 8937814), (20, 4468907), (53, 1686380), (106, 843190), (212, 421595), (265, 337276), (530, 168638), (1060, 84319)]