8427280

素因数分解:

$2^4\times 5^1\times {\mathrm{105341}}^1$

素因数の和:105354

約数の個数: 20

約数和(自身を含む): 19593612

約数和(自身を除く): 11166332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 105341, 210682, 421364, 526705, 842728, 1053410, 1685456, 2106820, 4213640, 8427280]

約数ペア:

[(1, 8427280), (2, 4213640), (4, 2106820), (5, 1685456), (8, 1053410), (10, 842728), (16, 526705), (20, 421364), (40, 210682), (80, 105341)]