9828080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2857}}^1$

素因数の和:2913

約数の個数: 40

約数和(自身を含む): 23389872

約数和(自身を除く): 13561792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2857, 3440, 5714, 11428, 14285, 22856, 28570, 45712, 57140, 114280, 122851, 228560, 245702, 491404, 614255, 982808, 1228510, 1965616, 2457020, 4914040, 9828080]

約数ペア:

[(1, 9828080), (2, 4914040), (4, 2457020), (5, 1965616), (8, 1228510), (10, 982808), (16, 614255), (20, 491404), (40, 245702), (43, 228560), (80, 122851), (86, 114280), (172, 57140), (215, 45712), (344, 28570), (430, 22856), (688, 14285), (860, 11428), (1720, 5714), (2857, 3440)]