8345180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21961}}^1$

素因数の和:21989

約数の個数: 24

約数和(自身を含む): 18448080

約数和(自身を除く): 10102900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21961, 43922, 87844, 109805, 219610, 417259, 439220, 834518, 1669036, 2086295, 4172590, 8345180]

約数ペア:

[(1, 8345180), (2, 4172590), (4, 2086295), (5, 1669036), (10, 834518), (19, 439220), (20, 417259), (38, 219610), (76, 109805), (95, 87844), (190, 43922), (380, 21961)]