40170640

素因数分解:

$2^4\times 5^1\times {\mathrm{502133}}^1$

素因数の和:502146

約数の個数: 20

約数和(自身を含む): 93396924

約数和(自身を除く): 53226284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 502133, 1004266, 2008532, 2510665, 4017064, 5021330, 8034128, 10042660, 20085320, 40170640]

約数ペア:

[(1, 40170640), (2, 20085320), (4, 10042660), (5, 8034128), (8, 5021330), (10, 4017064), (16, 2510665), (20, 2008532), (40, 1004266), (80, 502133)]