40804938280

素因数分解:

$2^3\times 5^1\times {\mathrm{1020123457}}^1$

素因数の和:1020123468

約数の個数: 16

約数和(自身を含む): 91811111220

約数和(自身を除く): 51006172940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1020123457, 2040246914, 4080493828, 5100617285, 8160987656, 10201234570, 20402469140, 40804938280]

約数ペア:

[(1, 40804938280), (2, 20402469140), (4, 10201234570), (5, 8160987656), (8, 5100617285), (10, 4080493828), (20, 2040246914), (40, 1020123457)]