8973640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17257}}^1$

素因数の和:17281

約数の個数: 32

約数和(自身を含む): 21745080

約数和(自身を除く): 12771440

約数列:

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

約数ペア:

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