2080403995

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1\times {\mathrm{17489}}^1$

素因数の和:18174

約数の個数: 16

約数和(自身を含む): 2568091680

約数和(自身を除く): 487687685

約数列:

[1, 5, 37, 185, 643, 3215, 17489, 23791, 87445, 118955, 647093, 3235465, 11245427, 56227135, 416080799, 2080403995]

約数ペア:

[(1, 2080403995), (5, 416080799), (37, 56227135), (185, 11245427), (643, 3235465), (3215, 647093), (17489, 118955), (23791, 87445)]