855589040

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{120167}}^1$

素因数の和:120269

約数の個数: 40

約数和(自身を含む): 2011612320

約数和(自身を除く): 1156023280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 120167, 240334, 480668, 600835, 961336, 1201670, 1922672, 2403340, 4806680, 9613360, 10694863, 21389726, 42779452, 53474315, 85558904, 106948630, 171117808, 213897260, 427794520, 855589040]

約数ペア:

[(1, 855589040), (2, 427794520), (4, 213897260), (5, 171117808), (8, 106948630), (10, 85558904), (16, 53474315), (20, 42779452), (40, 21389726), (80, 10694863), (89, 9613360), (178, 4806680), (356, 2403340), (445, 1922672), (712, 1201670), (890, 961336), (1424, 600835), (1780, 480668), (3560, 240334), (7120, 120167)]