91477480

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{4493}}^1$

素因数の和:5013

約数の個数: 32

約数和(自身を含む): 206274600

約数和(自身を除く): 114797120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 4493, 5090, 8986, 10180, 17972, 20360, 22465, 35944, 44930, 89860, 179720, 2286937, 4573874, 9147748, 11434685, 18295496, 22869370, 45738740, 91477480]

約数ペア:

[(1, 91477480), (2, 45738740), (4, 22869370), (5, 18295496), (8, 11434685), (10, 9147748), (20, 4573874), (40, 2286937), (509, 179720), (1018, 89860), (2036, 44930), (2545, 35944), (4072, 22465), (4493, 20360), (5090, 17972), (8986, 10180)]