65610640

素因数分解:

$2^4\times 5^1\times {\mathrm{820133}}^1$

素因数の和:820146

約数の個数: 20

約数和(自身を含む): 152544924

約数和(自身を除く): 86934284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 820133, 1640266, 3280532, 4100665, 6561064, 8201330, 13122128, 16402660, 32805320, 65610640]

約数ペア:

[(1, 65610640), (2, 32805320), (4, 16402660), (5, 13122128), (8, 8201330), (10, 6561064), (16, 4100665), (20, 3280532), (40, 1640266), (80, 820133)]