213315560

素因数分解:

$2^3\times 5^1\times {\mathrm{5332889}}^1$

素因数の和:5332900

約数の個数: 16

約数和(自身を含む): 479960100

約数和(自身を除く): 266644540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5332889, 10665778, 21331556, 26664445, 42663112, 53328890, 106657780, 213315560]

約数ペア:

[(1, 213315560), (2, 106657780), (4, 53328890), (5, 42663112), (8, 26664445), (10, 21331556), (20, 10665778), (40, 5332889)]