13940720

素因数分解:

$2^4\times 5^1\times {\mathrm{174259}}^1$

素因数の和:174272

約数の個数: 20

約数和(自身を含む): 32412360

約数和(自身を除く): 18471640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 174259, 348518, 697036, 871295, 1394072, 1742590, 2788144, 3485180, 6970360, 13940720]

約数ペア:

[(1, 13940720), (2, 6970360), (4, 3485180), (5, 2788144), (8, 1742590), (10, 1394072), (16, 871295), (20, 697036), (40, 348518), (80, 174259)]