26313520

素因数分解:

$2^4\times 5^1\times {\mathrm{328919}}^1$

素因数の和:328932

約数の個数: 20

約数和(自身を含む): 61179120

約数和(自身を除く): 34865600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 328919, 657838, 1315676, 1644595, 2631352, 3289190, 5262704, 6578380, 13156760, 26313520]

約数ペア:

[(1, 26313520), (2, 13156760), (4, 6578380), (5, 5262704), (8, 3289190), (10, 2631352), (16, 1644595), (20, 1315676), (40, 657838), (80, 328919)]