13445901880

素因数分解:

$2^3\times 5^1\times {\mathrm{3217}}^1\times {\mathrm{104491}}^1$

素因数の和:107719

約数の個数: 32

約数和(自身を含む): 30262973040

約数和(自身を除く): 16817071160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3217, 6434, 12868, 16085, 25736, 32170, 64340, 104491, 128680, 208982, 417964, 522455, 835928, 1044910, 2089820, 4179640, 336147547, 672295094, 1344590188, 1680737735, 2689180376, 3361475470, 6722950940, 13445901880]

約数ペア:

[(1, 13445901880), (2, 6722950940), (4, 3361475470), (5, 2689180376), (8, 1680737735), (10, 1344590188), (20, 672295094), (40, 336147547), (3217, 4179640), (6434, 2089820), (12868, 1044910), (16085, 835928), (25736, 522455), (32170, 417964), (64340, 208982), (104491, 128680)]