68674640

素因数分解:

$2^4\times 5^1\times {\mathrm{858433}}^1$

素因数の和:858446

約数の個数: 20

約数和(自身を含む): 159668724

約数和(自身を除く): 90994084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 858433, 1716866, 3433732, 4292165, 6867464, 8584330, 13734928, 17168660, 34337320, 68674640]

約数ペア:

[(1, 68674640), (2, 34337320), (4, 17168660), (5, 13734928), (8, 8584330), (10, 6867464), (16, 4292165), (20, 3433732), (40, 1716866), (80, 858433)]