3987656560

素因数分解:

$2^4\times 5^1\times {\mathrm{49845707}}^1$

素因数の和:49845720

約数の個数: 20

約数和(自身を含む): 9271301688

約数和(自身を除く): 5283645128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49845707, 99691414, 199382828, 249228535, 398765656, 498457070, 797531312, 996914140, 1993828280, 3987656560]

約数ペア:

[(1, 3987656560), (2, 1993828280), (4, 996914140), (5, 797531312), (8, 498457070), (10, 398765656), (16, 249228535), (20, 199382828), (40, 99691414), (80, 49845707)]