71640340

素因数分解:

$2^2\times 5^1\times {\mathrm{3582017}}^1$

素因数の和:3582026

約数の個数: 12

約数和(自身を含む): 150444756

約数和(自身を除く): 78804416

約数列:

[1, 2, 4, 5, 10, 20, 3582017, 7164034, 14328068, 17910085, 35820170, 71640340]

約数ペア:

[(1, 71640340), (2, 35820170), (4, 17910085), (5, 14328068), (10, 7164034), (20, 3582017)]