8171140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21503}}^1$

素因数の和:21531

約数の個数: 24

約数和(自身を含む): 18063360

約数和(自身を除く): 9892220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21503, 43006, 86012, 107515, 215030, 408557, 430060, 817114, 1634228, 2042785, 4085570, 8171140]

約数ペア:

[(1, 8171140), (2, 4085570), (4, 2042785), (5, 1634228), (10, 817114), (19, 430060), (20, 408557), (38, 215030), (76, 107515), (95, 86012), (190, 43006), (380, 21503)]