677609840

素因数分解:

$2^4\times 5^1\times {\mathrm{8470123}}^1$

素因数の和:8470136

約数の個数: 20

約数和(自身を含む): 1575443064

約数和(自身を除く): 897833224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8470123, 16940246, 33880492, 42350615, 67760984, 84701230, 135521968, 169402460, 338804920, 677609840]

約数ペア:

[(1, 677609840), (2, 338804920), (4, 169402460), (5, 135521968), (8, 84701230), (10, 67760984), (16, 42350615), (20, 33880492), (40, 16940246), (80, 8470123)]