39178960

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4493}}^1$

素因数の和:4615

約数の個数: 40

約数和(自身を含む): 91947240

約数和(自身を除く): 52768280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 4493, 8720, 8986, 17972, 22465, 35944, 44930, 71888, 89860, 179720, 359440, 489737, 979474, 1958948, 2448685, 3917896, 4897370, 7835792, 9794740, 19589480, 39178960]

約数ペア:

[(1, 39178960), (2, 19589480), (4, 9794740), (5, 7835792), (8, 4897370), (10, 3917896), (16, 2448685), (20, 1958948), (40, 979474), (80, 489737), (109, 359440), (218, 179720), (436, 89860), (545, 71888), (872, 44930), (1090, 35944), (1744, 22465), (2180, 17972), (4360, 8986), (4493, 8720)]