91451960

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{6551}}^1$

素因数の和:6911

約数の個数: 32

約数和(自身を含む): 206388000

約数和(自身を除く): 114936040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 6551, 6980, 13102, 13960, 26204, 32755, 52408, 65510, 131020, 262040, 2286299, 4572598, 9145196, 11431495, 18290392, 22862990, 45725980, 91451960]

約数ペア:

[(1, 91451960), (2, 45725980), (4, 22862990), (5, 18290392), (8, 11431495), (10, 9145196), (20, 4572598), (40, 2286299), (349, 262040), (698, 131020), (1396, 65510), (1745, 52408), (2792, 32755), (3490, 26204), (6551, 13960), (6980, 13102)]