67378660

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{8237}}^1$

素因数の和:8655

約数の個数: 24

約数和(自身を含む): 141858360

約数和(自身を除く): 74479700

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 8237, 16474, 32948, 41185, 82370, 164740, 3368933, 6737866, 13475732, 16844665, 33689330, 67378660]

約数ペア:

[(1, 67378660), (2, 33689330), (4, 16844665), (5, 13475732), (10, 6737866), (20, 3368933), (409, 164740), (818, 82370), (1636, 41185), (2045, 32948), (4090, 16474), (8180, 8237)]