55003280

素因数分解:

$2^4\times 5^1\times {\mathrm{687541}}^1$

素因数の和:687554

約数の個数: 20

約数和(自身を含む): 127882812

約数和(自身を除く): 72879532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 687541, 1375082, 2750164, 3437705, 5500328, 6875410, 11000656, 13750820, 27501640, 55003280]

約数ペア:

[(1, 55003280), (2, 27501640), (4, 13750820), (5, 11000656), (8, 6875410), (10, 5500328), (16, 3437705), (20, 2750164), (40, 1375082), (80, 687541)]