77884099780

素因数分解:

$2^2\times 5^1\times {\mathrm{304021}}^1\times {\mathrm{12809}}^1$

素因数の和:316839

約数の個数: 24

約数和(自身を含む): 163569916440

約数和(自身を除く): 85685816660

約数列:

[1, 2, 4, 5, 10, 20, 12809, 25618, 51236, 64045, 128090, 256180, 304021, 608042, 1216084, 1520105, 3040210, 6080420, 3894204989, 7788409978, 15576819956, 19471024945, 38942049890, 77884099780]

約数ペア:

[(1, 77884099780), (2, 38942049890), (4, 19471024945), (5, 15576819956), (10, 7788409978), (20, 3894204989), (12809, 6080420), (25618, 3040210), (51236, 1520105), (64045, 1216084), (128090, 608042), (256180, 304021)]