1282640

素因数分解:

$2^4\times 5^1\times {\mathrm{16033}}^1$

素因数の和:16046

約数の個数: 20

約数和(自身を含む): 2982324

約数和(自身を除く): 1699684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16033, 32066, 64132, 80165, 128264, 160330, 256528, 320660, 641320, 1282640]

約数ペア:

[(1, 1282640), (2, 641320), (4, 320660), (5, 256528), (8, 160330), (10, 128264), (16, 80165), (20, 64132), (40, 32066), (80, 16033)]