13364058640

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{408437}}^1$

素因数の和:408859

約数の個数: 40

約数和(自身を含む): 31147481880

約数和(自身を除く): 17783423240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 3272, 4090, 6544, 8180, 16360, 32720, 408437, 816874, 1633748, 2042185, 3267496, 4084370, 6534992, 8168740, 16337480, 32674960, 167050733, 334101466, 668202932, 835253665, 1336405864, 1670507330, 2672811728, 3341014660, 6682029320, 13364058640]

約数ペア:

[(1, 13364058640), (2, 6682029320), (4, 3341014660), (5, 2672811728), (8, 1670507330), (10, 1336405864), (16, 835253665), (20, 668202932), (40, 334101466), (80, 167050733), (409, 32674960), (818, 16337480), (1636, 8168740), (2045, 6534992), (3272, 4084370), (4090, 3267496), (6544, 2042185), (8180, 1633748), (16360, 816874), (32720, 408437)]