68752580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{20341}}^1$

素因数の和:20376

約数の個数: 36

約数和(自身を含む): 156348612

約数和(自身を除く): 87596032

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 20341, 40682, 81364, 101705, 203410, 264433, 406820, 528866, 1057732, 1322165, 2644330, 3437629, 5288660, 6875258, 13750516, 17188145, 34376290, 68752580]

約数ペア:

[(1, 68752580), (2, 34376290), (4, 17188145), (5, 13750516), (10, 6875258), (13, 5288660), (20, 3437629), (26, 2644330), (52, 1322165), (65, 1057732), (130, 528866), (169, 406820), (260, 264433), (338, 203410), (676, 101705), (845, 81364), (1690, 40682), (3380, 20341)]