200972560

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{16001}}^1$

素因数の和:16171

約数の個数: 40

約数和(自身を含む): 470266776

約数和(自身を除く): 269294216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 16001, 32002, 64004, 80005, 128008, 160010, 256016, 320020, 640040, 1280080, 2512157, 5024314, 10048628, 12560785, 20097256, 25121570, 40194512, 50243140, 100486280, 200972560]

約数ペア:

[(1, 200972560), (2, 100486280), (4, 50243140), (5, 40194512), (8, 25121570), (10, 20097256), (16, 12560785), (20, 10048628), (40, 5024314), (80, 2512157), (157, 1280080), (314, 640040), (628, 320020), (785, 256016), (1256, 160010), (1570, 128008), (2512, 80005), (3140, 64004), (6280, 32002), (12560, 16001)]