1260640

素因数分解:

$2^5\times 5^1\times {\mathrm{7879}}^1$

素因数の和:7894

約数の個数: 24

約数和(自身を含む): 2978640

約数和(自身を除く): 1718000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 7879, 15758, 31516, 39395, 63032, 78790, 126064, 157580, 252128, 315160, 630320, 1260640]

約数ペア:

[(1, 1260640), (2, 630320), (4, 315160), (5, 252128), (8, 157580), (10, 126064), (16, 78790), (20, 63032), (32, 39395), (40, 31516), (80, 15758), (160, 7879)]