80450180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211711}}^1$

素因数の和:211739

約数の個数: 24

約数和(自身を含む): 177838080

約数和(自身を除く): 97387900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 211711, 423422, 846844, 1058555, 2117110, 4022509, 4234220, 8045018, 16090036, 20112545, 40225090, 80450180]

約数ペア:

[(1, 80450180), (2, 40225090), (4, 20112545), (5, 16090036), (10, 8045018), (19, 4234220), (20, 4022509), (38, 2117110), (76, 1058555), (95, 846844), (190, 423422), (380, 211711)]