78722090

素因数分解:

$2^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{20771}}^1$

素因数の和:21157

約数の個数: 16

約数和(自身を含む): 142080480

約数和(自身を除く): 63358390

約数列:

[1, 2, 5, 10, 379, 758, 1895, 3790, 20771, 41542, 103855, 207710, 7872209, 15744418, 39361045, 78722090]

約数ペア:

[(1, 78722090), (2, 39361045), (5, 15744418), (10, 7872209), (379, 207710), (758, 103855), (1895, 41542), (3790, 20771)]