120805456

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{54319}}^1$

素因数の和:54466

約数の個数: 20

約数和(自身を含む): 235748800

約数和(自身を除く): 114943344

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 54319, 108638, 217276, 434552, 869104, 7550341, 15100682, 30201364, 60402728, 120805456]

約数ペア:

[(1, 120805456), (2, 60402728), (4, 30201364), (8, 15100682), (16, 7550341), (139, 869104), (278, 434552), (556, 217276), (1112, 108638), (2224, 54319)]