16330640

素因数分解:

$2^4\times 5^1\times {\mathrm{204133}}^1$

素因数の和:204146

約数の個数: 20

約数和(自身を含む): 37968924

約数和(自身を除く): 21638284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 204133, 408266, 816532, 1020665, 1633064, 2041330, 3266128, 4082660, 8165320, 16330640]

約数ペア:

[(1, 16330640), (2, 8165320), (4, 4082660), (5, 3266128), (8, 2041330), (10, 1633064), (16, 1020665), (20, 816532), (40, 408266), (80, 204133)]