40805977180

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1\times {\mathrm{22369}}^1$

素因数の和:23038

約数の個数: 48

約数和(自身を含む): 86317418880

約数和(自身を除く): 45511441700

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 463, 788, 926, 985, 1852, 1970, 2315, 3940, 4630, 9260, 22369, 44738, 89476, 91211, 111845, 182422, 223690, 364844, 447380, 456055, 912110, 1824220, 4406693, 8813386, 10356847, 17626772, 20713694, 22033465, 41427388, 44066930, 51784235, 88133860, 103568470, 207136940, 2040298859, 4080597718, 8161195436, 10201494295, 20402988590, 40805977180]

約数ペア:

[(1, 40805977180), (2, 20402988590), (4, 10201494295), (5, 8161195436), (10, 4080597718), (20, 2040298859), (197, 207136940), (394, 103568470), (463, 88133860), (788, 51784235), (926, 44066930), (985, 41427388), (1852, 22033465), (1970, 20713694), (2315, 17626772), (3940, 10356847), (4630, 8813386), (9260, 4406693), (22369, 1824220), (44738, 912110), (89476, 456055), (91211, 447380), (111845, 364844), (182422, 223690)]