1328314580

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{477811}}^1$

素因数の和:477959

約数の個数: 24

約数和(自身を含む): 2809534560

約数和(自身を除く): 1481219980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 477811, 955622, 1911244, 2389055, 4778110, 9556220, 66415729, 132831458, 265662916, 332078645, 664157290, 1328314580]

約数ペア:

[(1, 1328314580), (2, 664157290), (4, 332078645), (5, 265662916), (10, 132831458), (20, 66415729), (139, 9556220), (278, 4778110), (556, 2389055), (695, 1911244), (1390, 955622), (2780, 477811)]