27539440

素因数分解:

$2^4\times 5^1\times {\mathrm{344243}}^1$

素因数の和:344256

約数の個数: 20

約数和(自身を含む): 64029384

約数和(自身を除く): 36489944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 344243, 688486, 1376972, 1721215, 2753944, 3442430, 5507888, 6884860, 13769720, 27539440]

約数ペア:

[(1, 27539440), (2, 13769720), (4, 6884860), (5, 5507888), (8, 3442430), (10, 2753944), (16, 1721215), (20, 1376972), (40, 688486), (80, 344243)]