55015280

素因数分解:

$2^4\times 5^1\times {\mathrm{687691}}^1$

素因数の和:687704

約数の個数: 20

約数和(自身を含む): 127910712

約数和(自身を除く): 72895432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 687691, 1375382, 2750764, 3438455, 5501528, 6876910, 11003056, 13753820, 27507640, 55015280]

約数ペア:

[(1, 55015280), (2, 27507640), (4, 13753820), (5, 11003056), (8, 6876910), (10, 5501528), (16, 3438455), (20, 2750764), (40, 1375382), (80, 687691)]