38744840

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{2237}}^1$

素因数の和:2681

約数の個数: 32

約数和(自身を含む): 87416280

約数和(自身を除く): 48671440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1732, 2165, 2237, 3464, 4330, 4474, 8660, 8948, 11185, 17320, 17896, 22370, 44740, 89480, 968621, 1937242, 3874484, 4843105, 7748968, 9686210, 19372420, 38744840]

約数ペア:

[(1, 38744840), (2, 19372420), (4, 9686210), (5, 7748968), (8, 4843105), (10, 3874484), (20, 1937242), (40, 968621), (433, 89480), (866, 44740), (1732, 22370), (2165, 17896), (2237, 17320), (3464, 11185), (4330, 8948), (4474, 8660)]