86624840

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{10993}}^1$

素因数の和:11201

約数の個数: 32

約数和(自身を含む): 195913080

約数和(自身を除く): 109288240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 10993, 21986, 43972, 54965, 87944, 109930, 219860, 439720, 2165621, 4331242, 8662484, 10828105, 17324968, 21656210, 43312420, 86624840]

約数ペア:

[(1, 86624840), (2, 43312420), (4, 21656210), (5, 17324968), (8, 10828105), (10, 8662484), (20, 4331242), (40, 2165621), (197, 439720), (394, 219860), (788, 109930), (985, 87944), (1576, 54965), (1970, 43972), (3940, 21986), (7880, 10993)]