81495550

素因数分解:

$2^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{10939}}^1$

素因数の和:11100

約数の個数: 24

約数和(自身を含む): 152613000

約数和(自身を除く): 71117450

約数列:

[1, 2, 5, 10, 25, 50, 149, 298, 745, 1490, 3725, 7450, 10939, 21878, 54695, 109390, 273475, 546950, 1629911, 3259822, 8149555, 16299110, 40747775, 81495550]

約数ペア:

[(1, 81495550), (2, 40747775), (5, 16299110), (10, 8149555), (25, 3259822), (50, 1629911), (149, 546950), (298, 273475), (745, 109390), (1490, 54695), (3725, 21878), (7450, 10939)]