42690640

素因数分解:

$2^4\times 5^1\times {\mathrm{533633}}^1$

素因数の和:533646

約数の個数: 20

約数和(自身を含む): 99255924

約数和(自身を除く): 56565284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 533633, 1067266, 2134532, 2668165, 4269064, 5336330, 8538128, 10672660, 21345320, 42690640]

約数ペア:

[(1, 42690640), (2, 21345320), (4, 10672660), (5, 8538128), (8, 5336330), (10, 4269064), (16, 2668165), (20, 2134532), (40, 1067266), (80, 533633)]