159664660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{194713}}^1$

素因数の和:194763

約数の個数: 24

約数和(自身を含む): 343475496

約数和(自身を除く): 183810836

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 194713, 389426, 778852, 973565, 1947130, 3894260, 7983233, 15966466, 31932932, 39916165, 79832330, 159664660]

約数ペア:

[(1, 159664660), (2, 79832330), (4, 39916165), (5, 31932932), (10, 15966466), (20, 7983233), (41, 3894260), (82, 1947130), (164, 973565), (205, 778852), (410, 389426), (820, 194713)]