82801660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{96281}}^1$

素因数の和:96333

約数の個数: 24

約数和(自身を含む): 177929136

約数和(自身を除く): 95127476

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 96281, 192562, 385124, 481405, 962810, 1925620, 4140083, 8280166, 16560332, 20700415, 41400830, 82801660]

約数ペア:

[(1, 82801660), (2, 41400830), (4, 20700415), (5, 16560332), (10, 8280166), (20, 4140083), (43, 1925620), (86, 962810), (172, 481405), (215, 385124), (430, 192562), (860, 96281)]