260917456

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{117319}}^1$

素因数の和:117466

約数の個数: 20

約数和(自身を含む): 509168800

約数和(自身を除く): 248251344

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 117319, 234638, 469276, 938552, 1877104, 16307341, 32614682, 65229364, 130458728, 260917456]

約数ペア:

[(1, 260917456), (2, 130458728), (4, 65229364), (8, 32614682), (16, 16307341), (139, 1877104), (278, 938552), (556, 469276), (1112, 234638), (2224, 117319)]