8470640

素因数分解:

$2^4\times 5^1\times {\mathrm{105883}}^1$

素因数の和:105896

約数の個数: 20

約数和(自身を含む): 19694424

約数和(自身を除く): 11223784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 105883, 211766, 423532, 529415, 847064, 1058830, 1694128, 2117660, 4235320, 8470640]

約数ペア:

[(1, 8470640), (2, 4235320), (4, 2117660), (5, 1694128), (8, 1058830), (10, 847064), (16, 529415), (20, 423532), (40, 211766), (80, 105883)]