5259740

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{643}}^1$

素因数の和:1061

約数の個数: 24

約数和(自身を含む): 11089680

約数和(自身を除く): 5829940

約数列:

[1, 2, 4, 5, 10, 20, 409, 643, 818, 1286, 1636, 2045, 2572, 3215, 4090, 6430, 8180, 12860, 262987, 525974, 1051948, 1314935, 2629870, 5259740]

約数ペア:

[(1, 5259740), (2, 2629870), (4, 1314935), (5, 1051948), (10, 525974), (20, 262987), (409, 12860), (643, 8180), (818, 6430), (1286, 4090), (1636, 3215), (2045, 2572)]