27588560

素因数分解:

$2^4\times 5^1\times {\mathrm{344857}}^1$

素因数の和:344870

約数の個数: 20

約数和(自身を含む): 64143588

約数和(自身を除く): 36555028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 344857, 689714, 1379428, 1724285, 2758856, 3448570, 5517712, 6897140, 13794280, 27588560]

約数ペア:

[(1, 27588560), (2, 13794280), (4, 6897140), (5, 5517712), (8, 3448570), (10, 2758856), (16, 1724285), (20, 1379428), (40, 689714), (80, 344857)]