17947280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17257}}^1$

素因数の和:17283

約数の個数: 40

約数和(自身を含む): 44939832

約数和(自身を除く): 26992552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 17257, 34514, 69028, 86285, 138056, 172570, 224341, 276112, 345140, 448682, 690280, 897364, 1121705, 1380560, 1794728, 2243410, 3589456, 4486820, 8973640, 17947280]

約数ペア:

[(1, 17947280), (2, 8973640), (4, 4486820), (5, 3589456), (8, 2243410), (10, 1794728), (13, 1380560), (16, 1121705), (20, 897364), (26, 690280), (40, 448682), (52, 345140), (65, 276112), (80, 224341), (104, 172570), (130, 138056), (208, 86285), (260, 69028), (520, 34514), (1040, 17257)]