125040320

素因数分解:

$2^6\times 5^1\times {\mathrm{390751}}^1$

素因数の和:390768

約数の個数: 28

約数和(自身を含む): 297753024

約数和(自身を除く): 172712704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 390751, 781502, 1563004, 1953755, 3126008, 3907510, 6252016, 7815020, 12504032, 15630040, 25008064, 31260080, 62520160, 125040320]

約数ペア:

[(1, 125040320), (2, 62520160), (4, 31260080), (5, 25008064), (8, 15630040), (10, 12504032), (16, 7815020), (20, 6252016), (32, 3907510), (40, 3126008), (64, 1953755), (80, 1563004), (160, 781502), (320, 390751)]