81054382660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{213301007}}^1$

素因数の和:213301035

約数の個数: 24

約数和(自身を含む): 179172846720

約数和(自身を除く): 98118464060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 213301007, 426602014, 853204028, 1066505035, 2133010070, 4052719133, 4266020140, 8105438266, 16210876532, 20263595665, 40527191330, 81054382660]

約数ペア:

[(1, 81054382660), (2, 40527191330), (4, 20263595665), (5, 16210876532), (10, 8105438266), (19, 4266020140), (20, 4052719133), (38, 2133010070), (76, 1066505035), (95, 853204028), (190, 426602014), (380, 213301007)]