5781680

素因数分解:

$2^4\times 5^1\times {\mathrm{72271}}^1$

素因数の和:72284

約数の個数: 20

約数和(自身を含む): 13442592

約数和(自身を除く): 7660912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 72271, 144542, 289084, 361355, 578168, 722710, 1156336, 1445420, 2890840, 5781680]

約数ペア:

[(1, 5781680), (2, 2890840), (4, 1445420), (5, 1156336), (8, 722710), (10, 578168), (16, 361355), (20, 289084), (40, 144542), (80, 72271)]