39816940

素因数分解:

$2^2\times 5^1\times {\mathrm{929}}^1\times {\mathrm{2143}}^1$

素因数の和:3081

約数の個数: 24

約数和(自身を含む): 83744640

約数和(自身を除く): 43927700

約数列:

[1, 2, 4, 5, 10, 20, 929, 1858, 2143, 3716, 4286, 4645, 8572, 9290, 10715, 18580, 21430, 42860, 1990847, 3981694, 7963388, 9954235, 19908470, 39816940]

約数ペア:

[(1, 39816940), (2, 19908470), (4, 9954235), (5, 7963388), (10, 3981694), (20, 1990847), (929, 42860), (1858, 21430), (2143, 18580), (3716, 10715), (4286, 9290), (4645, 8572)]